13013220223 has 4 divisors (see below), whose sum is σ = 13013860360. Its totient is φ = 13012580088.

The previous prime is 13013220217. The next prime is 13013220263. The reversal of 13013220223 is 32202231031.

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 13013220223 - 2⁵ = 13013220191 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 13013220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013220203) 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, 288540 + ... + 330577.

It is an arithmetic number, because the mean of its divisors is an integer number (3253465090).

Almost surely, 2^13013220223 is an apocalyptic number.

13013220223 is a deficient number, since it is larger than the sum of its proper divisors (640137).

13013220223 is an equidigital number, since it uses as much as digits as its factorization.

13013220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640136.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13013220223 its reverse (32202231031), we get a palindrome (45215451254).

The spelling of 13013220223 in words is "thirteen billion, thirteen million, two hundred twenty thousand, two hundred twenty-three".