Number
423
423 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 9
- Digital root
- 9
- Palindrome
- No
- Divisor count
- 6
- σ(n) — sum of divisors
- 624
Primality
Prime factorization: 3 2 × 47
Divisors & multiples
Aliquot sum (sum of proper divisors):
201
Representations
- In words
- four hundred twenty-three
- Ordinal
- 423rd
- Roman numeral
- CDXXIII
- Binary
- 110100111
- Octal
- 647
- Hexadecimal
- 1A7
Also seen as
Unicode codepoint
Ƨ
U+01A7
Uppercase letter (Lu)
UTF-8 encoding: C6 A7 (2 bytes).
Hex color
#0001A7
RGB(0, 1, 167)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.167.