923
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1008
- Proper Divisor Sum (Aliquot Sum)
- 85
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 840
- Möbius Function
- 1
- Radical
- 923
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 67
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Names
- German
- neunhundertdreiundzwanzig· ordinal: neunhundertdreiundzwanzigste
- English
- nine hundred twenty-three· ordinal: nine hundred twenty-third
- Spanish
- novecientos veintitrés· ordinal: 923º
- French
- neuf cent vingt-trois· ordinal: neuf cent vingt-troisième
- Italian
- novecentoventitre· ordinal: 923º
- Latin
- nongenti viginti tres· ordinal: 923.
- Portuguese
- novecentos e vinte e três· ordinal: 923º
Appears in sequences
- Hamilton numbers.at n=5A000905
- Numbers beginning with letter 'n' in English.at n=35A000981
- Numbers k such that 19*2^k - 1 is prime.at n=18A001775
- Numbers k such that (k^2 + k + 1)/19 is prime.at n=29A002643
- Denominators of convergents to Lehmer's constant.at n=4A002795
- Numbers that are the sum of 11 positive 5th powers.at n=39A003356
- Numbers that are the sum of 6 positive 6th powers.at n=10A003362
- Pentagonal numbers written backwards.at n=47A004163
- Numbers that are the sum of at most 6 nonzero 6th powers.at n=45A004857
- Number of permutations of [n] with four inversions.at n=8A005287
- Centered icosahedral (or cuboctahedral) numbers, also crystal ball sequence for f.c.c. lattice.at n=6A005902
- Euler characteristics of polytopes.at n=12A006482
- Coordination sequence T1 for Zeolite Code AFR.at n=23A008019
- Coordination sequence T4 for Zeolite Code AFR.at n=23A008022
- Coordination sequence T2 for Zeolite Code EMT.at n=25A008087
- Coordination sequence T3 for Zeolite Code HEU.at n=20A008118
- Coordination sequence T1 for Zeolite Code MAZ.at n=21A008144
- Coordination sequence T2 for Zeolite Code MAZ.at n=21A008145
- Coordination sequence T1 for Zeolite Code PHI.at n=22A008227
- Coordination sequence T2 for Zeolite Code PHI.at n=22A008228