123220433233333 has 2 divisors, whose sum is σ = 123220433233334. Its totient is φ = 123220433233332.

The previous prime is 123220433233319. The next prime is 123220433233411. The reversal of 123220433233333 is 333332334022321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106020651136689 + 17199782096644 = 10296633^2 + 4147262^2 .

It is a cyclic number.

It is not a de Polignac number, because 123220433233333 - 2²¹ = 123220431136181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123220433233292 and 123220433233301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123220433233433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610216616666 + 61610216616667.

It is an arithmetic number, because the mean of its divisors is an integer number (61610216616667).

Almost surely, 2^{123220433233333} is an apocalyptic number.

It is an amenable number.

123220433233333 is a deficient number, since it is larger than the sum of its proper divisors (1).

123220433233333 is an equidigital number, since it uses as much as digits as its factorization.

123220433233333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 37.

Adding to 123220433233333 its reverse (333332334022321), we get a palindrome (456552767255654).

The spelling of 123220433233333 in words is "one hundred twenty-three trillion, two hundred twenty billion, four hundred thirty-three million, two hundred thirty-three thousand, three hundred thirty-three".