23668257 has 8 divisors (see below), whose sum is σ = 31788576. Its totient is φ = 15663392.

The previous prime is 23668241. The next prime is 23668261. The reversal of 23668257 is 75286632.

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 23668257 - 2⁴ = 23668241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23668207) 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, 28383 + ... + 29204.

It is an arithmetic number, because the mean of its divisors is an integer number (3973572).

Almost surely, 2^23668257 is an apocalyptic number.

It is an amenable number.

23668257 is a deficient number, since it is larger than the sum of its proper divisors (8120319).

23668257 is a wasteful number, since it uses less digits than its factorization.

23668257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57727.

The product of its digits is 120960, while the sum is 39.

The square root of 23668257 is about 4865.0032887964. The cubic root of 23668257 is about 287.1146979709.

The spelling of 23668257 in words is "twenty-three million, six hundred sixty-eight thousand, two hundred fifty-seven".