23056555 has 16 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 17605120.

The previous prime is 23056543. The next prime is 23056567. The reversal of 23056555 is 55565032.

It is an interprime number because it is at equal distance from previous prime (23056543) and next prime (23056567).

It is not a de Polignac number, because 23056555 - 2¹⁵ = 23023787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8439 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (1809864).

Almost surely, 2^23056555 is an apocalyptic number.

23056555 is a deficient number, since it is larger than the sum of its proper divisors (5901269).

23056555 is a wasteful number, since it uses less digits than its factorization.

23056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 23056555 is about 4801.7241695041. The cubic root of 23056555 is about 284.6196012467.

The spelling of 23056555 in words is "twenty-three million, fifty-six thousand, five hundred fifty-five".