113113123 has 2 divisors, whose sum is σ = 113113124. Its totient is φ = 113113122.

The previous prime is 113113081. The next prime is 113113157. The reversal of 113113123 is 321311311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113113123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113113097 and 113113106.

It is not a weakly prime, because it can be changed into another prime (113113163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556561 + 56556562.

It is an arithmetic number, because the mean of its divisors is an integer number (56556562).

Almost surely, 2^113113123 is an apocalyptic number.

113113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113123 is an equidigital number, since it uses as much as digits as its factorization.

113113123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 16.

The square root of 113113123 is about 10635.4653400780. The cubic root of 113113123 is about 483.6200872583.

Adding to 113113123 its reverse (321311311), we get a palindrome (434424434).

The spelling of 113113123 in words is "one hundred thirteen million, one hundred thirteen thousand, one hundred twenty-three".