13313231232323 has 4 divisors (see below), whose sum is σ = 14523524980728. Its totient is φ = 12102937483920.

The previous prime is 13313231232289. The next prime is 13313231232347. The reversal of 13313231232323 is 32323213231331.

It is a happy number.

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 13313231232323 - 2¹⁰ = 13313231231299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13313231232323.

It is not an unprimeable number, because it can be changed into a prime (13313231234323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605146874186 + ... + 605146874207.

It is an arithmetic number, because the mean of its divisors is an integer number (3630881245182).

Almost surely, 2^{13313231232323} is an apocalyptic number.

13313231232323 is a deficient number, since it is larger than the sum of its proper divisors (1210293748405).

13313231232323 is a wasteful number, since it uses less digits than its factorization.

13313231232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210293748404.

The product of its digits is 34992, while the sum is 32.

Adding to 13313231232323 its reverse (32323213231331), we get a palindrome (45636444463654).

The spelling of 13313231232323 in words is "thirteen trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred twenty-three".