23328839 has 2 divisors, whose sum is σ = 23328840. Its totient is φ = 23328838.

The previous prime is 23328821. The next prime is 23328841. The reversal of 23328839 is 93882332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23328839 - 2²⁰ = 22280263 is a prime.

Together with 23328841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23328859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11664419 + 11664420.

It is an arithmetic number, because the mean of its divisors is an integer number (11664420).

Almost surely, 2^23328839 is an apocalyptic number.

23328839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23328839 is an equidigital number, since it uses as much as digits as its factorization.

23328839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 23328839 is about 4829.9936852961. The cubic root of 23328839 is about 285.7356148006.

The spelling of 23328839 in words is "twenty-three million, three hundred twenty-eight thousand, eight hundred thirty-nine".