23057665 has 8 divisors (see below), whose sum is σ = 27721728. Its totient is φ = 18411120.

The previous prime is 23057641. The next prime is 23057669. The reversal of 23057665 is 56675032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23057665 - 2⁵ = 23057633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23057665.

It is not an unprimeable number, because it can be changed into a prime (23057669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 6910.

It is an arithmetic number, because the mean of its divisors is an integer number (3465216).

Almost surely, 2^23057665 is an apocalyptic number.

It is an amenable number.

23057665 is a deficient number, since it is larger than the sum of its proper divisors (4664063).

23057665 is an equidigital number, since it uses as much as digits as its factorization.

23057665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 23057665 is about 4801.8397515952. The cubic root of 23057665 is about 284.6241686057.

The spelling of 23057665 in words is "twenty-three million, fifty-seven thousand, six hundred sixty-five".