123455604 has 24 divisors (see below), whose sum is σ = 289191168. Its totient is φ = 40990720.

The previous prime is 123455593. The next prime is 123455621. The reversal of 123455604 is 406554321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16932 + ... + 23099.

It is an arithmetic number, because the mean of its divisors is an integer number (12049632).

Almost surely, 2^123455604 is an apocalyptic number.

It is an amenable number.

123455604 is an abundant number, since it is smaller than the sum of its proper divisors (165735564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123455604 is a wasteful number, since it uses less digits than its factorization.

123455604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40295 (or 40293 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 123455604 is about 11111.0577354274. The cubic root of 123455604 is about 497.9322660737.

The spelling of 123455604 in words is "one hundred twenty-three million, four hundred fifty-five thousand, six hundred four".