23057663 has 4 divisors (see below), whose sum is σ = 23093208. Its totient is φ = 23022120.

The previous prime is 23057641. The next prime is 23057669. The reversal of 23057663 is 36675032.

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 23057663 - 2⁶ = 23057599 is a prime.

It is a Duffinian number.

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16781 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (5773302).

Almost surely, 2^23057663 is an apocalyptic number.

23057663 is a deficient number, since it is larger than the sum of its proper divisors (35545).

23057663 is an equidigital number, since it uses as much as digits as its factorization.

23057663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35544.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 23057663 is about 4801.8395433417. The cubic root of 23057663 is about 284.6241603763.

The spelling of 23057663 in words is "twenty-three million, fifty-seven thousand, six hundred sixty-three".