23927157 has 20 divisors (see below), whose sum is σ = 36183840. Its totient is φ = 15754824.

The previous prime is 23927119. The next prime is 23927219. The reversal of 23927157 is 75172932.

It is not a de Polignac number, because 23927157 - 2¹⁴ = 23910773 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23927357) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4944 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (1809192).

Almost surely, 2^23927157 is an apocalyptic number.

23927157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23927157 is a deficient number, since it is larger than the sum of its proper divisors (12256683).

23927157 is an equidigital number, since it uses as much as digits as its factorization.

23927157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3645 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 23927157 is about 4891.5393282688. The cubic root of 23927157 is about 288.1577911368.

The spelling of 23927157 in words is "twenty-three million, nine hundred twenty-seven thousand, one hundred fifty-seven".