23265839 has 2 divisors, whose sum is σ = 23265840. Its totient is φ = 23265838.

The previous prime is 23265829. The next prime is 23265863. The reversal of 23265839 is 93856232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23265839 - 2²⁰ = 22217263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23265829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11632919 + 11632920.

It is an arithmetic number, because the mean of its divisors is an integer number (11632920).

Almost surely, 2^23265839 is an apocalyptic number.

23265839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23265839 is an equidigital number, since it uses as much as digits as its factorization.

23265839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 23265839 is about 4823.4675286561. The cubic root of 23265839 is about 285.4781713216.

The spelling of 23265839 in words is "twenty-three million, two hundred sixty-five thousand, eight hundred thirty-nine".