23952865 has 4 divisors (see below), whose sum is σ = 28743444. Its totient is φ = 19162288.

The previous prime is 23952853. The next prime is 23952871. The reversal of 23952865 is 56825932.

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 16679056 + 7273809 = 4084^2 + 2697^2 .

It is a cyclic number.

It is not a de Polignac number, because 23952865 - 2⁹ = 23952353 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2395282 + ... + 2395291.

It is an arithmetic number, because the mean of its divisors is an integer number (7185861).

Almost surely, 2^23952865 is an apocalyptic number.

It is an amenable number.

23952865 is a deficient number, since it is larger than the sum of its proper divisors (4790579).

23952865 is an equidigital number, since it uses as much as digits as its factorization.

23952865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790578.

The product of its digits is 129600, while the sum is 40.

The square root of 23952865 is about 4894.1664254498. The cubic root of 23952865 is about 288.2609557679.

The spelling of 23952865 in words is "twenty-three million, nine hundred fifty-two thousand, eight hundred sixty-five".