123112143011423 has 2 divisors, whose sum is σ = 123112143011424. Its totient is φ = 123112143011422.

The previous prime is 123112143011413. The next prime is 123112143011461. The reversal of 123112143011423 is 324110341211321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123112143011423 - 2³⁸ = 122837265104479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123112143011413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556071505711 + 61556071505712.

It is an arithmetic number, because the mean of its divisors is an integer number (61556071505712).

Almost surely, 2^{123112143011423} is an apocalyptic number.

123112143011423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123112143011423 is an equidigital number, since it uses as much as digits as its factorization.

123112143011423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 123112143011423 its reverse (324110341211321), we get a palindrome (447222484222744).

The spelling of 123112143011423 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, four hundred twenty-three".