23257464 has 32 divisors (see below), whose sum is σ = 58399440. Its totient is φ = 7718400.

The previous prime is 23257459. The next prime is 23257477. The reversal of 23257464 is 46475232.

It is a super-2 number, since 2×23257464² = 1081819263422592, which contains 22 as substring.

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, 3774 + ... + 7794.

Almost surely, 2^23257464 is an apocalyptic number.

23257464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23257464 is an abundant number, since it is smaller than the sum of its proper divisors (35141976).

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

23257464 is a wasteful number, since it uses less digits than its factorization.

23257464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4267 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 23257464 is about 4822.5992991332. The cubic root of 23257464 is about 285.4439127014.

The spelling of 23257464 in words is "twenty-three million, two hundred fifty-seven thousand, four hundred sixty-four".