113623871 has 2 divisors, whose sum is σ = 113623872. Its totient is φ = 113623870.

The previous prime is 113623847. The next prime is 113623919. The reversal of 113623871 is 178326311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113623871 - 2¹⁸ = 113361727 is a prime.

It is a super-2 number, since 2×113623871² = 25820768122049282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113623831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56811935 + 56811936.

It is an arithmetic number, because the mean of its divisors is an integer number (56811936).

Almost surely, 2^113623871 is an apocalyptic number.

113623871 is a deficient number, since it is larger than the sum of its proper divisors (1).

113623871 is an equidigital number, since it uses as much as digits as its factorization.

113623871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 113623871 is about 10659.4498450905. The cubic root of 113623871 is about 484.3469028503.

The spelling of 113623871 in words is "one hundred thirteen million, six hundred twenty-three thousand, eight hundred seventy-one".