23157938 has 8 divisors (see below), whose sum is σ = 34776432. Its totient is φ = 11565796.

The previous prime is 23157853. The next prime is 23157943. The reversal of 23157938 is 83975132.

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

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, 4220 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (4347054).

Almost surely, 2^23157938 is an apocalyptic number.

23157938 is a deficient number, since it is larger than the sum of its proper divisors (11618494).

23157938 is a wasteful number, since it uses less digits than its factorization.

23157938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13176.

The product of its digits is 45360, while the sum is 38.

The square root of 23157938 is about 4812.2695269488. The cubic root of 23157938 is about 285.0361624371.

The spelling of 23157938 in words is "twenty-three million, one hundred fifty-seven thousand, nine hundred thirty-eight".