123123322023523 has 2 divisors, whose sum is σ = 123123322023524. Its totient is φ = 123123322023522.

The previous prime is 123123322023511. The next prime is 123123322023577. The reversal of 123123322023523 is 325320223321321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123123322023523 - 2²⁵ = 123123288469091 is a prime.

It is a super-2 number, since 2×123123322023523² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123123322023503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561661011761 + 61561661011762.

It is an arithmetic number, because the mean of its divisors is an integer number (61561661011762).

Almost surely, 2^{123123322023523} is an apocalyptic number.

123123322023523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123123322023523 is an equidigital number, since it uses as much as digits as its factorization.

123123322023523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 123123322023523 its reverse (325320223321321), we get a palindrome (448443545344844).

The spelling of 123123322023523 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred twenty-two million, twenty-three thousand, five hundred twenty-three".