23095139 has 4 divisors (see below), whose sum is σ = 23174256. Its totient is φ = 23016024.

The previous prime is 23095133. The next prime is 23095183. The reversal of 23095139 is 93159032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23095139 - 2²⁴ = 6317923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23095133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39119 + ... + 39704.

It is an arithmetic number, because the mean of its divisors is an integer number (5793564).

Almost surely, 2^23095139 is an apocalyptic number.

23095139 is a deficient number, since it is larger than the sum of its proper divisors (79117).

23095139 is an equidigital number, since it uses as much as digits as its factorization.

23095139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79116.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 23095139 is about 4805.7402135363. The cubic root of 23095139 is about 284.7782783572.

The spelling of 23095139 in words is "twenty-three million, ninety-five thousand, one hundred thirty-nine".