113957843 has 2 divisors, whose sum is σ = 113957844. Its totient is φ = 113957842.

The previous prime is 113957813. The next prime is 113957887. The reversal of 113957843 is 348759311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113957843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113957843.

It is not a weakly prime, because it can be changed into another prime (113957813) 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, 56978921 + 56978922.

It is an arithmetic number, because the mean of its divisors is an integer number (56978922).

Almost surely, 2^113957843 is an apocalyptic number.

113957843 is a deficient number, since it is larger than the sum of its proper divisors (1).

113957843 is an equidigital number, since it uses as much as digits as its factorization.

113957843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 113957843 is about 10675.1038870823. The cubic root of 113957843 is about 484.8209818637.

The spelling of 113957843 in words is "one hundred thirteen million, nine hundred fifty-seven thousand, eight hundred forty-three".