2311013123 has 2 divisors, whose sum is σ = 2311013124. Its totient is φ = 2311013122.

The previous prime is 2311013119. The next prime is 2311013137. The reversal of 2311013123 is 3213101132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2311013123 - 2² = 2311013119 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2311013183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155506561 + 1155506562.

It is an arithmetic number, because the mean of its divisors is an integer number (1155506562).

Almost surely, 2^2311013123 is an apocalyptic number.

2311013123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311013123 is an equidigital number, since it uses as much as digits as its factorization.

2311013123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2311013123 is about 48072.9978574251. The cubic root of 2311013123 is about 1322.1096360149.

Adding to 2311013123 its reverse (3213101132), we get a palindrome (5524114255).

The spelling of 2311013123 in words is "two billion, three hundred eleven million, thirteen thousand, one hundred twenty-three".