123231121130333 has 4 divisors (see below), whose sum is σ = 123343455790620. Its totient is φ = 123118786470048.

The previous prime is 123231121130311. The next prime is 123231121130339. The reversal of 123231121130333 is 333031121132321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10651848656089 + 112579272474244 = 3263717^2 + 10610338^2 .

It is a cyclic number.

It is not a de Polignac number, because 123231121130333 - 2³⁴ = 123213941261149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123231121130296 and 123231121130305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231121130339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56167328498 + ... + 56167330691.

It is an arithmetic number, because the mean of its divisors is an integer number (30835863947655).

Almost surely, 2^{123231121130333} is an apocalyptic number.

It is an amenable number.

123231121130333 is a deficient number, since it is larger than the sum of its proper divisors (112334660287).

123231121130333 is a wasteful number, since it uses less digits than its factorization.

123231121130333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112334660286.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 123231121130333 its reverse (333031121132321), we get a palindrome (456262242262654).

The spelling of 123231121130333 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, three hundred thirty-three".