23508039 has 4 divisors (see below), whose sum is σ = 31344056. Its totient is φ = 15672024.

The previous prime is 23508031. The next prime is 23508049. The reversal of 23508039 is 93080532.

It is a happy number.

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

It is not a de Polignac number, because 23508039 - 2³ = 23508031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23507997 and 23508015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918004 + ... + 3918009.

It is an arithmetic number, because the mean of its divisors is an integer number (7836014).

Almost surely, 2^23508039 is an apocalyptic number.

23508039 is a deficient number, since it is larger than the sum of its proper divisors (7836017).

23508039 is an equidigital number, since it uses as much as digits as its factorization.

23508039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836016.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23508039 is about 4848.5089460575. The cubic root of 23508039 is about 286.4653735308.

The spelling of 23508039 in words is "twenty-three million, five hundred eight thousand, thirty-nine".