123304923 has 60 divisors (see below), whose sum is σ = 219159072. Its totient is φ = 68856480.

The previous prime is 123304913. The next prime is 123304931. The reversal of 123304923 is 329403321.

It is a happy number.

It is not a de Polignac number, because 123304923 - 2⁵ = 123304891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123304903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 186213 + ... + 186873.

Almost surely, 2^123304923 is an apocalyptic number.

123304923 is a deficient number, since it is larger than the sum of its proper divisors (95854149).

123304923 is an equidigital number, since it uses as much as digits as its factorization.

123304923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 123304923 is about 11104.2749875892. The cubic root of 123304923 is about 497.7296035374.

The spelling of 123304923 in words is "one hundred twenty-three million, three hundred four thousand, nine hundred twenty-three".