23677139 has 2 divisors, whose sum is σ = 23677140. Its totient is φ = 23677138.

The previous prime is 23677123. The next prime is 23677163. The reversal of 23677139 is 93177632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23677139 - 2⁴ = 23677123 is a prime.

It is a super-2 number, since 2×23677139² = 1121213822450642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23677109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11838569 + 11838570.

It is an arithmetic number, because the mean of its divisors is an integer number (11838570).

Almost surely, 2^23677139 is an apocalyptic number.

23677139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23677139 is an equidigital number, since it uses as much as digits as its factorization.

23677139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 38.

The square root of 23677139 is about 4865.9160494197. The cubic root of 23677139 is about 287.1506087101.

The spelling of 23677139 in words is "twenty-three million, six hundred seventy-seven thousand, one hundred thirty-nine".