1113113923 has 2 divisors, whose sum is σ = 1113113924. Its totient is φ = 1113113922.

The previous prime is 1113113891. The next prime is 1113113927. The reversal of 1113113923 is 3293113111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3293113111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113113923 - 2⁵ = 1113113891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113113927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556556961 + 556556962.

It is an arithmetic number, because the mean of its divisors is an integer number (556556962).

Almost surely, 2^1113113923 is an apocalyptic number.

1113113923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113113923 is an equidigital number, since it uses as much as digits as its factorization.

1113113923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 25.

The square root of 1113113923 is about 33363.3619858671. The cubic root of 1113113923 is about 1036.3661153286.

The spelling of 1113113923 in words is "one billion, one hundred thirteen million, one hundred thirteen thousand, nine hundred twenty-three".