23890528 has 24 divisors (see below), whose sum is σ = 47809440. Its totient is φ = 11748480.

The previous prime is 23890513. The next prime is 23890549. The reversal of 23890528 is 82509832.

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, 4168 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (1992060).

Almost surely, 2^23890528 is an apocalyptic number.

It is an amenable number.

23890528 is an abundant number, since it is smaller than the sum of its proper divisors (23918912).

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

23890528 is a wasteful number, since it uses less digits than its factorization.

23890528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310 (or 12302 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 23890528 is about 4887.7937763371. The cubic root of 23890528 is about 288.0106734727.

The spelling of 23890528 in words is "twenty-three million, eight hundred ninety thousand, five hundred twenty-eight".