123233213223121 has 16 divisors (see below), whose sum is σ = 123927684710400. Its totient is φ = 122539266694800.

The previous prime is 123233213223089. The next prime is 123233213223209. The reversal of 123233213223121 is 121322312332321.

It is a cyclic number.

It is not a de Polignac number, because 123233213223121 - 2⁵ = 123233213223089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123233213223721) 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, 6408040576 + ... + 6408059806.

It is an arithmetic number, because the mean of its divisors is an integer number (7745480294400).

Almost surely, 2^{123233213223121} is an apocalyptic number.

It is an amenable number.

123233213223121 is a deficient number, since it is larger than the sum of its proper divisors (694471487279).

123233213223121 is a wasteful number, since it uses less digits than its factorization.

123233213223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31020.

The product of its digits is 15552, while the sum is 31.

Adding to 123233213223121 its reverse (121322312332321), we get a palindrome (244555525555442).

The spelling of 123233213223121 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-one".