13021230223 has 4 divisors (see below), whose sum is σ = 13787184960. Its totient is φ = 12255275488.

The previous prime is 13021230199. The next prime is 13021230253. The reversal of 13021230223 is 32203212031.

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 13021230223 - 2⁵ = 13021230191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13021230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021230253) 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, 382977343 + ... + 382977376.

It is an arithmetic number, because the mean of its divisors is an integer number (3446796240).

Almost surely, 2^13021230223 is an apocalyptic number.

13021230223 is a deficient number, since it is larger than the sum of its proper divisors (765954737).

13021230223 is an equidigital number, since it uses as much as digits as its factorization.

13021230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765954736.

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

Adding to 13021230223 its reverse (32203212031), we get a palindrome (45224442254).

The spelling of 13021230223 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, two hundred twenty-three".