23936569 has 2 divisors, whose sum is σ = 23936570. Its totient is φ = 23936568.

The previous prime is 23936533. The next prime is 23936573. The reversal of 23936569 is 96563932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 316969 = 4860^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 23936569 - 2⁹ = 23936057 is a prime.

It is a super-2 number, since 2×23936569² = 1145918670983522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23936519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11968284 + 11968285.

It is an arithmetic number, because the mean of its divisors is an integer number (11968285).

Almost surely, 2^23936569 is an apocalyptic number.

It is an amenable number.

23936569 is a deficient number, since it is larger than the sum of its proper divisors (1).

23936569 is an equidigital number, since it uses as much as digits as its factorization.

23936569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 23936569 is about 4892.5013030146. The cubic root of 23936569 is about 288.1955694876.

The spelling of 23936569 in words is "twenty-three million, nine hundred thirty-six thousand, five hundred sixty-nine".