123323331311 has 4 divisors (see below), whose sum is σ = 123492965232. Its totient is φ = 123153697392.

The previous prime is 123323331301. The next prime is 123323331317. The reversal of 123323331311 is 113133323321.

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 123323331311 - 2¹⁰ = 123323330287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323331317) 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, 84815870 + ... + 84817323.

It is an arithmetic number, because the mean of its divisors is an integer number (30873241308).

Almost surely, 2^123323331311 is an apocalyptic number.

123323331311 is a deficient number, since it is larger than the sum of its proper divisors (169633921).

123323331311 is an equidigital number, since it uses as much as digits as its factorization.

123323331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169633920.

The product of its digits is 2916, while the sum is 26.

Adding to 123323331311 its reverse (113133323321), we get a palindrome (236456654632).

The spelling of 123323331311 in words is "one hundred twenty-three billion, three hundred twenty-three million, three hundred thirty-one thousand, three hundred eleven".