13221233021323 has 2 divisors, whose sum is σ = 13221233021324. Its totient is φ = 13221233021322.

The previous prime is 13221233021303. The next prime is 13221233021357. The reversal of 13221233021323 is 32312033212231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13221233021323 - 2²⁹ = 13220696150411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221233021291 and 13221233021300.

It is not a weakly prime, because it can be changed into another prime (13221233021303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610616510661 + 6610616510662.

It is an arithmetic number, because the mean of its divisors is an integer number (6610616510662).

Almost surely, 2^{13221233021323} is an apocalyptic number.

13221233021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221233021323 is an equidigital number, since it uses as much as digits as its factorization.

13221233021323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13221233021323 its reverse (32312033212231), we get a palindrome (45533266233554).

The spelling of 13221233021323 in words is "thirteen trillion, two hundred twenty-one billion, two hundred thirty-three million, twenty-one thousand, three hundred twenty-three".