23231857 has 8 divisors (see below), whose sum is σ = 25473600. Its totient is φ = 21011760.

The previous prime is 23231833. The next prime is 23231869. The reversal of 23231857 is 75813232.

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

It is not a de Polignac number, because 23231857 - 2¹⁵ = 23199089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211857) 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, 3118 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (3184200).

Almost surely, 2^23231857 is an apocalyptic number.

It is an amenable number.

23231857 is a deficient number, since it is larger than the sum of its proper divisors (2241743).

23231857 is a wasteful number, since it uses less digits than its factorization.

23231857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823.

The product of its digits is 10080, while the sum is 31.

The square root of 23231857 is about 4819.9436718700. The cubic root of 23231857 is about 285.3391141372.

The spelling of 23231857 in words is "twenty-three million, two hundred thirty-one thousand, eight hundred fifty-seven".