23085537 has 32 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 13941312.

The previous prime is 23085529. The next prime is 23085599. The reversal of 23085537 is 73558032.

It is not a de Polignac number, because 23085537 - 2³ = 23085529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23085498 and 23085507.

It is not an unprimeable number, because it can be changed into a prime (23085137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166014 + ... + 166152.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^23085537 is an apocalyptic number.

It is an amenable number.

23085537 is a deficient number, since it is larger than the sum of its proper divisors (10783263).

23085537 is a wasteful number, since it uses less digits than its factorization.

23085537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 23085537 is about 4804.7410960425. The cubic root of 23085537 is about 284.7388065579.

The spelling of 23085537 in words is "twenty-three million, eighty-five thousand, five hundred thirty-seven".