123 (number)

123 is the natural number after 122 and before 124 and is a Lucas number. It is divisible by 1, 3, 41, and 123. It is the emergency telephone number in Colombia.

122 123 124
Cardinalone hundred and twenty-three
Ordinal123rd
(one hundred and twenty-third)
Factorization3 · 41
Divisors1, 3, 41, 123
Roman numeralCXXIII
Binary11110112
Ternary111203
Quaternary13234
Quinary4435
Senary3236
Octal1738
DuodecimalA312
Hexadecimal7B16
Vigesimal6320
Base 363F36