13321020323 has 8 divisors (see below), whose sum is σ = 14808479616. Its totient is φ = 11899670400.

The previous prime is 13321020311. The next prime is 13321020359. The reversal of 13321020323 is 32302012331.

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

It is a cyclic number.

It is not a de Polignac number, because 13321020323 - 2⁸ = 13321020067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321020295 and 13321020304.

It is not an unprimeable number, because it can be changed into a prime (13321020373) 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, 16526918 + ... + 16527723.

It is an arithmetic number, because the mean of its divisors is an integer number (1851059952).

Almost surely, 2^13321020323 is an apocalyptic number.

13321020323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13321020323 is a deficient number, since it is larger than the sum of its proper divisors (1487459293).

13321020323 is a wasteful number, since it uses less digits than its factorization.

13321020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33054685.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13321020323 its reverse (32302012331), we get a palindrome (45623032654).

The spelling of 13321020323 in words is "thirteen billion, three hundred twenty-one million, twenty thousand, three hundred twenty-three".