13312021323 has 8 divisors (see below), whose sum is σ = 17823011536. Its totient is φ = 8837856000.

The previous prime is 13312021267. The next prime is 13312021369. The reversal of 13312021323 is 32312021331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13312021323 - 2¹⁰ = 13312020299 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 13312021323.

It is not an unprimeable number, because it can be changed into a prime (13312021223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9205378 + ... + 9206823.

It is an arithmetic number, because the mean of its divisors is an integer number (2227876442).

Almost surely, 2^13312021323 is an apocalyptic number.

13312021323 is a deficient number, since it is larger than the sum of its proper divisors (4510990213).

13312021323 is a wasteful number, since it uses less digits than its factorization.

13312021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18412445.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13312021323 its reverse (32312021331), we get a palindrome (45624042654).

The spelling of 13312021323 in words is "thirteen billion, three hundred twelve million, twenty-one thousand, three hundred twenty-three".