113423839 has 2 divisors, whose sum is σ = 113423840. Its totient is φ = 113423838.

The previous prime is 113423819. The next prime is 113423851. The reversal of 113423839 is 938324311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113423839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113423819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56711919 + 56711920.

It is an arithmetic number, because the mean of its divisors is an integer number (56711920).

Almost surely, 2^113423839 is an apocalyptic number.

113423839 is a deficient number, since it is larger than the sum of its proper divisors (1).

113423839 is an equidigital number, since it uses as much as digits as its factorization.

113423839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 113423839 is about 10650.0628636642. The cubic root of 113423839 is about 484.0625090019.

The spelling of 113423839 in words is "one hundred thirteen million, four hundred twenty-three thousand, eight hundred thirty-nine".