13221303323 has 2 divisors, whose sum is σ = 13221303324. Its totient is φ = 13221303322.

The previous prime is 13221303317. The next prime is 13221303331. The reversal of 13221303323 is 32330312231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13221303323 - 2⁶ = 13221303259 is a prime.

It is a super-3 number, since 3×13221303323³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13221303343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610651661 + 6610651662.

It is an arithmetic number, because the mean of its divisors is an integer number (6610651662).

Almost surely, 2^13221303323 is an apocalyptic number.

13221303323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221303323 is an equidigital number, since it uses as much as digits as its factorization.

13221303323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13221303323 its reverse (32330312231), we get a palindrome (45551615554).

The spelling of 13221303323 in words is "thirteen billion, two hundred twenty-one million, three hundred three thousand, three hundred twenty-three".