23679157 has 2 divisors, whose sum is σ = 23679158. Its totient is φ = 23679156.

The previous prime is 23679151. The next prime is 23679179. The reversal of 23679157 is 75197632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 1012036 = 4761^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 23679157 - 2¹¹ = 23677109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23679151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839578 + 11839579.

It is an arithmetic number, because the mean of its divisors is an integer number (11839579).

Almost surely, 2^23679157 is an apocalyptic number.

It is an amenable number.

23679157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23679157 is an equidigital number, since it uses as much as digits as its factorization.

23679157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 23679157 is about 4866.1234057512. The cubic root of 23679157 is about 287.1587664168.

The spelling of 23679157 in words is "twenty-three million, six hundred seventy-nine thousand, one hundred fifty-seven".