23132839 has 6 divisors (see below), whose sum is σ = 23685216. Its totient is φ = 22593060.

The previous prime is 23132833. The next prime is 23132843. The reversal of 23132839 is 93823132.

It is not a de Polignac number, because 23132839 - 2¹¹ = 23130791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23132839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4407 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (3947536).

Almost surely, 2^23132839 is an apocalyptic number.

23132839 is a deficient number, since it is larger than the sum of its proper divisors (552377).

23132839 is an equidigital number, since it uses as much as digits as its factorization.

23132839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597 (or 12554 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 23132839 is about 4809.6610067654. The cubic root of 23132839 is about 284.9331493969.

The spelling of 23132839 in words is "twenty-three million, one hundred thirty-two thousand, eight hundred thirty-nine".