23956865 has 4 divisors (see below), whose sum is σ = 28748244. Its totient is φ = 19165488.

The previous prime is 23956843. The next prime is 23956879. The reversal of 23956865 is 56865932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2686321 + 21270544 = 1639^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 23956865 - 2⁸ = 23956609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395682 + ... + 2395691.

It is an arithmetic number, because the mean of its divisors is an integer number (7187061).

Almost surely, 2^23956865 is an apocalyptic number.

It is an amenable number.

23956865 is a deficient number, since it is larger than the sum of its proper divisors (4791379).

23956865 is an equidigital number, since it uses as much as digits as its factorization.

23956865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791378.

The product of its digits is 388800, while the sum is 44.

The square root of 23956865 is about 4894.5750581639. The cubic root of 23956865 is about 288.2770008860.

The spelling of 23956865 in words is "twenty-three million, nine hundred fifty-six thousand, eight hundred sixty-five".