23516428 has 12 divisors (see below), whose sum is σ = 44319520. Its totient is φ = 10853712.

The previous prime is 23516417. The next prime is 23516443. The reversal of 23516428 is 82461532.

It is a super-3 number, since 3×23516428³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23516428.

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, 226068 + ... + 226171.

Almost surely, 2^23516428 is an apocalyptic number.

It is an amenable number.

23516428 is a deficient number, since it is larger than the sum of its proper divisors (20803092).

23516428 is a wasteful number, since it uses less digits than its factorization.

23516428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452256 (or 452254 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 23516428 is about 4849.3739802164. The cubic root of 23516428 is about 286.4994451693.

The spelling of 23516428 in words is "twenty-three million, five hundred sixteen thousand, four hundred twenty-eight".