13211203220323 has 4 divisors (see below), whose sum is σ = 13211251926408. Its totient is φ = 13211154514240.

The previous prime is 13211203220297. The next prime is 13211203220359. The reversal of 13211203220323 is 32302230211231.

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 13211203220323 - 2²⁵ = 13211169665891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211203220363) 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, 23943886 + ... + 24489427.

It is an arithmetic number, because the mean of its divisors is an integer number (3302812981602).

Almost surely, 2^{13211203220323} is an apocalyptic number.

13211203220323 is a deficient number, since it is larger than the sum of its proper divisors (48706085).

13211203220323 is an equidigital number, since it uses as much as digits as its factorization.

13211203220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48706084.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13211203220323 its reverse (32302230211231), we get a palindrome (45513433431554).

The spelling of 13211203220323 in words is "thirteen trillion, two hundred eleven billion, two hundred three million, two hundred twenty thousand, three hundred twenty-three".