23139795 has 32 divisors (see below), whose sum is σ = 43683840. Its totient is φ = 10235520.

The previous prime is 23139791. The next prime is 23139799. The reversal of 23139795 is 59793132.

It is an interprime number because it is at equal distance from previous prime (23139791) and next prime (23139799).

It is not a de Polignac number, because 23139795 - 2² = 23139791 is a prime.

It is a super-2 number, since 2×23139795² = 1070900225284050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23139791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1365120).

Almost surely, 2^23139795 is an apocalyptic number.

23139795 is a deficient number, since it is larger than the sum of its proper divisors (20544045).

23139795 is a wasteful number, since it uses less digits than its factorization.

23139795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155.

The product of its digits is 51030, while the sum is 39.

The square root of 23139795 is about 4810.3840802996. The cubic root of 23139795 is about 284.9617061507.

The spelling of 23139795 in words is "twenty-three million, one hundred thirty-nine thousand, seven hundred ninety-five".