23457904 has 20 divisors (see below), whose sum is σ = 46559520. Its totient is φ = 11442560.

The previous prime is 23457887. The next prime is 23457911. The reversal of 23457904 is 40975432.

It is a self number, because there is not a number n which added to its sum of digits gives 23457904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17224 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (2327976).

Almost surely, 2^23457904 is an apocalyptic number.

It is an amenable number.

23457904 is a deficient number, since it is larger than the sum of its proper divisors (23101616).

23457904 is a wasteful number, since it uses less digits than its factorization.

23457904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808 (or 35802 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 23457904 is about 4843.3360403755. The cubic root of 23457904 is about 286.2615827709.

The spelling of 23457904 in words is "twenty-three million, four hundred fifty-seven thousand, nine hundred four".