113390923 has 2 divisors, whose sum is σ = 113390924. Its totient is φ = 113390922.

The previous prime is 113390891. The next prime is 113390929. The reversal of 113390923 is 329093311.

It is a strong prime.

It is an emirp because it is prime and its reverse (329093311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113390923 - 2⁵ = 113390891 is a prime.

It is not a weakly prime, because it can be changed into another prime (113390929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56695461 + 56695462.

It is an arithmetic number, because the mean of its divisors is an integer number (56695462).

Almost surely, 2^113390923 is an apocalyptic number.

113390923 is a deficient number, since it is larger than the sum of its proper divisors (1).

113390923 is an equidigital number, since it uses as much as digits as its factorization.

113390923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 113390923 is about 10648.5174085410. The cubic root of 113390923 is about 484.0156789197.

The spelling of 113390923 in words is "one hundred thirteen million, three hundred ninety thousand, nine hundred twenty-three".