23056537 has 16 divisors (see below), whose sum is σ = 27786240. Its totient is φ = 18712512.

The previous prime is 23056531. The next prime is 23056543. The reversal of 23056537 is 73565032.

It is an interprime number because it is at equal distance from previous prime (23056531) and next prime (23056543).

It is not a de Polignac number, because 23056537 - 2¹¹ = 23054489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23056499 and 23056508.

It is not an unprimeable number, because it can be changed into a prime (23056531) 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, 9688 + ... + 11830.

It is an arithmetic number, because the mean of its divisors is an integer number (1736640).

Almost surely, 2^23056537 is an apocalyptic number.

It is an amenable number.

23056537 is a deficient number, since it is larger than the sum of its proper divisors (4729703).

23056537 is a wasteful number, since it uses less digits than its factorization.

23056537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 23056537 is about 4801.7222951770. The cubic root of 23056537 is about 284.6195271803.

The spelling of 23056537 in words is "twenty-three million, fifty-six thousand, five hundred thirty-seven".