123020011123331 has 16 divisors (see below), whose sum is σ = 147277938783744. Its totient is φ = 100468671350784.

The previous prime is 123020011123327. The next prime is 123020011123337. The reversal of 123020011123331 is 133321110020321.

It is not a de Polignac number, because 123020011123331 - 2² = 123020011123327 is a prime.

It is a super-2 number, since 2×123020011123331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123020011123297 and 123020011123306.

It is not an unprimeable number, because it can be changed into a prime (123020011123337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486533425 + ... + 1486616178.

It is an arithmetic number, because the mean of its divisors is an integer number (9204871173984).

Almost surely, 2^{123020011123331} is an apocalyptic number.

123020011123331 is a deficient number, since it is larger than the sum of its proper divisors (24257927660413).

123020011123331 is a wasteful number, since it uses less digits than its factorization.

123020011123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973149890.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123020011123331 its reverse (133321110020321), we get a palindrome (256341121143652).

The spelling of 123020011123331 in words is "one hundred twenty-three trillion, twenty billion, eleven million, one hundred twenty-three thousand, three hundred thirty-one".