23965257 has 8 divisors (see below), whose sum is σ = 33833376. Its totient is φ = 15036992.

The previous prime is 23965237. The next prime is 23965259. The reversal of 23965257 is 75256932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23965257 - 2¹⁶ = 23899721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23965259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234903 + ... + 235004.

It is an arithmetic number, because the mean of its divisors is an integer number (4229172).

Almost surely, 2^23965257 is an apocalyptic number.

It is an amenable number.

23965257 is a deficient number, since it is larger than the sum of its proper divisors (9868119).

23965257 is a wasteful number, since it uses less digits than its factorization.

23965257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469927.

The product of its digits is 113400, while the sum is 39.

The square root of 23965257 is about 4895.4322587490. The cubic root of 23965257 is about 288.3106577406.

The spelling of 23965257 in words is "twenty-three million, nine hundred sixty-five thousand, two hundred fifty-seven".