113890923 has 12 divisors (see below), whose sum is σ = 164677968. Its totient is φ = 75849360.

The previous prime is 113890919. The next prime is 113890927. The reversal of 113890923 is 329098311.

It is an interprime number because it is at equal distance from previous prime (113890919) and next prime (113890927).

It is not a de Polignac number, because 113890923 - 2² = 113890919 is a prime.

It is a super-2 number, since 2×113890923² = 25942284683583858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113890927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3586 + ... + 15512.

It is an arithmetic number, because the mean of its divisors is an integer number (13723164).

Almost surely, 2^113890923 is an apocalyptic number.

113890923 is a deficient number, since it is larger than the sum of its proper divisors (50787045).

113890923 is a wasteful number, since it uses less digits than its factorization.

113890923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12994 (or 12991 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 113890923 is about 10671.9690310645. The cubic root of 113890923 is about 484.7260620462.

The spelling of 113890923 in words is "one hundred thirteen million, eight hundred ninety thousand, nine hundred twenty-three".