123313133323123 has 4 divisors (see below), whose sum is σ = 123431817764320. Its totient is φ = 123194448881928.

The previous prime is 123313133323111. The next prime is 123313133323157. The reversal of 123313133323123 is 321323331313321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123313133323123 - 2⁵ = 123313133323091 is a prime.

It is a super-2 number, since 2×123313133323123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313133323183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59342219040 + ... + 59342221117.

It is an arithmetic number, because the mean of its divisors is an integer number (30857954441080).

Almost surely, 2^{123313133323123} is an apocalyptic number.

123313133323123 is a deficient number, since it is larger than the sum of its proper divisors (118684441197).

123313133323123 is a wasteful number, since it uses less digits than its factorization.

123313133323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118684441196.

The product of its digits is 52488, while the sum is 34.

Adding to 123313133323123 its reverse (321323331313321), we get a palindrome (444636464636444).

The spelling of 123313133323123 in words is "one hundred twenty-three trillion, three hundred thirteen billion, one hundred thirty-three million, three hundred twenty-three thousand, one hundred twenty-three".