123113113351 has 2 divisors, whose sum is σ = 123113113352. Its totient is φ = 123113113350.

The previous prime is 123113113309. The next prime is 123113113363. The reversal of 123113113351 is 153311311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123113113351 - 2²⁵ = 123079558919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123113113751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556556675 + 61556556676.

It is an arithmetic number, because the mean of its divisors is an integer number (61556556676).

Almost surely, 2^123113113351 is an apocalyptic number.

123113113351 is a deficient number, since it is larger than the sum of its proper divisors (1).

123113113351 is an equidigital number, since it uses as much as digits as its factorization.

123113113351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

Adding to 123113113351 its reverse (153311311321), we get a palindrome (276424424672).

The spelling of 123113113351 in words is "one hundred twenty-three billion, one hundred thirteen million, one hundred thirteen thousand, three hundred fifty-one".