123603904 has 28 divisors (see below), whose sum is σ = 245900448. Its totient is φ = 61644800.

The previous prime is 123603877. The next prime is 123603917. The reversal of 123603904 is 409306321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25344 + ... + 29824.

Almost surely, 2^123603904 is an apocalyptic number.

It is an amenable number.

123603904 is a deficient number, since it is larger than the sum of its proper divisors (122296544).

123603904 is an equidigital number, since it uses as much as digits as its factorization.

123603904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 123603904 is about 11117.7292645576. The cubic root of 123603904 is about 498.1315652670.

The spelling of 123603904 in words is "one hundred twenty-three million, six hundred three thousand, nine hundred four".