23597969 has 4 divisors (see below), whose sum is σ = 23608320. Its totient is φ = 23587620.

The previous prime is 23597963. The next prime is 23598049. The reversal of 23597969 is 96979532.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23597969 - 2⁴ = 23597953 is a prime.

It is a super-2 number, since 2×23597969² = 1113728281849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23597963) 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, 89 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (5902080).

Almost surely, 2^23597969 is an apocalyptic number.

It is an amenable number.

23597969 is a deficient number, since it is larger than the sum of its proper divisors (10351).

23597969 is an equidigital number, since it uses as much as digits as its factorization.

23597969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350.

The product of its digits is 918540, while the sum is 50.

The square root of 23597969 is about 4857.7740787319. The cubic root of 23597969 is about 286.8301997938.

The spelling of 23597969 in words is "twenty-three million, five hundred ninety-seven thousand, nine hundred sixty-nine".