23595139 has 2 divisors, whose sum is σ = 23595140. Its totient is φ = 23595138.

The previous prime is 23595113. The next prime is 23595149. The reversal of 23595139 is 93159532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23595139 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23595098 and 23595107.

It is not a weakly prime, because it can be changed into another prime (23595149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11797569 + 11797570.

It is an arithmetic number, because the mean of its divisors is an integer number (11797570).

Almost surely, 2^23595139 is an apocalyptic number.

23595139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23595139 is an equidigital number, since it uses as much as digits as its factorization.

23595139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 23595139 is about 4857.4827843236. The cubic root of 23595139 is about 286.8187332432.

The spelling of 23595139 in words is "twenty-three million, five hundred ninety-five thousand, one hundred thirty-nine".