23528057 has 16 divisors (see below), whose sum is σ = 28207872. Its totient is φ = 19187520.

The previous prime is 23528053. The next prime is 23528081. The reversal of 23528057 is 75082532.

It is not a de Polignac number, because 23528057 - 2² = 23528053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23528053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50807 + ... + 51267.

It is an arithmetic number, because the mean of its divisors is an integer number (1762992).

Almost surely, 2^23528057 is an apocalyptic number.

It is an amenable number.

23528057 is a deficient number, since it is larger than the sum of its proper divisors (4679815).

23528057 is a wasteful number, since it uses less digits than its factorization.

23528057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 23528057 is about 4850.5728527670. The cubic root of 23528057 is about 286.5466625587.

The spelling of 23528057 in words is "twenty-three million, five hundred twenty-eight thousand, fifty-seven".