23057659 has 4 divisors (see below), whose sum is σ = 24271240. Its totient is φ = 21844080.

The previous prime is 23057641. The next prime is 23057669. The reversal of 23057659 is 95675032.

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

It is a cyclic number.

It is not a de Polignac number, because 23057659 - 2¹⁷ = 22926587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23057609) 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, 606762 + ... + 606799.

It is an arithmetic number, because the mean of its divisors is an integer number (6067810).

Almost surely, 2^23057659 is an apocalyptic number.

23057659 is a deficient number, since it is larger than the sum of its proper divisors (1213581).

23057659 is a wasteful number, since it uses less digits than its factorization.

23057659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213580.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 23057659 is about 4801.8391268346. The cubic root of 23057659 is about 284.6241439176.

It can be divided in two parts, 23057 and 659, that added together give a square (23716 = 154²).

The spelling of 23057659 in words is "twenty-three million, fifty-seven thousand, six hundred fifty-nine".