23056589 has 4 divisors (see below), whose sum is σ = 23091324. Its totient is φ = 23021856.

The previous prime is 23056571. The next prime is 23056613. The reversal of 23056589 is 98565032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21808900 + 1247689 = 4670^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 23056589 - 2²⁴ = 6279373 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16352 + ... + 17705.

It is an arithmetic number, because the mean of its divisors is an integer number (5772831).

Almost surely, 2^23056589 is an apocalyptic number.

It is an amenable number.

23056589 is a deficient number, since it is larger than the sum of its proper divisors (34735).

23056589 is an equidigital number, since it uses as much as digits as its factorization.

23056589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34734.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 23056589 is about 4801.7277098978. The cubic root of 23056589 is about 284.6197411500.

The spelling of 23056589 in words is "twenty-three million, fifty-six thousand, five hundred eighty-nine".