113689243 has 2 divisors, whose sum is σ = 113689244. Its totient is φ = 113689242.

The previous prime is 113689231. The next prime is 113689249. The reversal of 113689243 is 342986311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113689243 - 2⁵ = 113689211 is a prime.

It is not a weakly prime, because it can be changed into another prime (113689249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56844621 + 56844622.

It is an arithmetic number, because the mean of its divisors is an integer number (56844622).

Almost surely, 2^113689243 is an apocalyptic number.

113689243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113689243 is an equidigital number, since it uses as much as digits as its factorization.

113689243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 113689243 is about 10662.5157913130. The cubic root of 113689243 is about 484.4397725825.

The spelling of 113689243 in words is "one hundred thirteen million, six hundred eighty-nine thousand, two hundred forty-three".