23085538 has 16 divisors (see below), whose sum is σ = 40078080. Its totient is φ = 9768096.

The previous prime is 23085529. The next prime is 23085599. The reversal of 23085538 is 83558032.

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, 9331 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (2504880).

Almost surely, 2^23085538 is an apocalyptic number.

23085538 is a deficient number, since it is larger than the sum of its proper divisors (16992542).

23085538 is a wasteful number, since it uses less digits than its factorization.

23085538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20961.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 23085538 is about 4804.7412001064. The cubic root of 23085538 is about 284.7388106693.

The spelling of 23085538 in words is "twenty-three million, eighty-five thousand, five hundred thirty-eight".