23255839 has 2 divisors, whose sum is σ = 23255840. Its totient is φ = 23255838.

The previous prime is 23255833. The next prime is 23255849. The reversal of 23255839 is 93855232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23255839 - 2³ = 23255831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23255798 and 23255807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23255831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627919 + 11627920.

It is an arithmetic number, because the mean of its divisors is an integer number (11627920).

Almost surely, 2^23255839 is an apocalyptic number.

23255839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255839 is an equidigital number, since it uses as much as digits as its factorization.

23255839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 23255839 is about 4822.4308185810. The cubic root of 23255839 is about 285.4372645538.

The spelling of 23255839 in words is "twenty-three million, two hundred fifty-five thousand, eight hundred thirty-nine".