23256669 has 4 divisors (see below), whose sum is σ = 31008896. Its totient is φ = 15504444.

The previous prime is 23256661. The next prime is 23256671. The reversal of 23256669 is 96665232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23256669 - 2³ = 23256661 is a prime.

It is a super-2 number, since 2×23256669² = 1081745305951122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256661) 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, 3876109 + ... + 3876114.

It is an arithmetic number, because the mean of its divisors is an integer number (7752224).

Almost surely, 2^23256669 is an apocalyptic number.

It is an amenable number.

23256669 is a deficient number, since it is larger than the sum of its proper divisors (7752227).

23256669 is an equidigital number, since it uses as much as digits as its factorization.

23256669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752226.

The product of its digits is 116640, while the sum is 39.

The square root of 23256669 is about 4822.5168739985. The cubic root of 23256669 is about 285.4406602617.

The spelling of 23256669 in words is "twenty-three million, two hundred fifty-six thousand, six hundred sixty-nine".