123110111010123 has 96 divisors (see below), whose sum is σ = 182571977427840. Its totient is φ = 79919320965120.

The previous prime is 123110111010067. The next prime is 123110111010179. The reversal of 123110111010123 is 321010111011321.

It is an interprime number because it is at equal distance from previous prime (123110111010067) and next prime (123110111010179).

It is not a de Polignac number, because 123110111010123 - 2¹⁴ = 123110110993739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123110111010096 and 123110111010105.

It is not an unprimeable number, because it can be changed into a prime (123110111010323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12987663898 + ... + 12987673376.

It is an arithmetic number, because the mean of its divisors is an integer number (1901791431540).

Almost surely, 2^{123110111010123} is an apocalyptic number.

123110111010123 is a deficient number, since it is larger than the sum of its proper divisors (59461866417717).

123110111010123 is a wasteful number, since it uses less digits than its factorization.

123110111010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469 (or 10466 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 123110111010123 its reverse (321010111011321), we get a palindrome (444120222021444).

The spelling of 123110111010123 in words is "one hundred twenty-three trillion, one hundred ten billion, one hundred eleven million, ten thousand, one hundred twenty-three".