23697957 has 4 divisors (see below), whose sum is σ = 31597280. Its totient is φ = 15798636.

The previous prime is 23697953. The next prime is 23697977. The reversal of 23697957 is 75979632.

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 23697957 - 2² = 23697953 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 (23697953) 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, 3949657 + ... + 3949662.

It is an arithmetic number, because the mean of its divisors is an integer number (7899320).

Almost surely, 2^23697957 is an apocalyptic number.

It is an amenable number.

23697957 is a deficient number, since it is larger than the sum of its proper divisors (7899323).

23697957 is an equidigital number, since it uses as much as digits as its factorization.

23697957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899322.

The product of its digits is 714420, while the sum is 48.

The square root of 23697957 is about 4868.0547449674. The cubic root of 23697957 is about 287.2347426113.

The spelling of 23697957 in words is "twenty-three million, six hundred ninety-seven thousand, nine hundred fifty-seven".