113859643 has 2 divisors, whose sum is σ = 113859644. Its totient is φ = 113859642.

The previous prime is 113859631. The next prime is 113859653. The reversal of 113859643 is 346958311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113859643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113859596 and 113859605.

It is not a weakly prime, because it can be changed into another prime (113859653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56929821 + 56929822.

It is an arithmetic number, because the mean of its divisors is an integer number (56929822).

Almost surely, 2^113859643 is an apocalyptic number.

113859643 is a deficient number, since it is larger than the sum of its proper divisors (1).

113859643 is an equidigital number, since it uses as much as digits as its factorization.

113859643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 113859643 is about 10670.5034089306. The cubic root of 113859643 is about 484.6816815134.

The spelling of 113859643 in words is "one hundred thirteen million, eight hundred fifty-nine thousand, six hundred forty-three".