23195839 has 2 divisors, whose sum is σ = 23195840. Its totient is φ = 23195838.

The previous prime is 23195831. The next prime is 23195857. The reversal of 23195839 is 93859132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23195839 - 2³ = 23195831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23195831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11597919 + 11597920.

It is an arithmetic number, because the mean of its divisors is an integer number (11597920).

Almost surely, 2^23195839 is an apocalyptic number.

23195839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23195839 is an equidigital number, since it uses as much as digits as its factorization.

23195839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 23195839 is about 4816.2058718456. The cubic root of 23195839 is about 285.1915773586.

The spelling of 23195839 in words is "twenty-three million, one hundred ninety-five thousand, eight hundred thirty-nine".