13221301323 has 16 divisors (see below), whose sum is σ = 17741074176. Its totient is φ = 8757907680.

The previous prime is 13221301309. The next prime is 13221301349. The reversal of 13221301323 is 32310312231.

It is a de Polignac number, because none of the positive numbers 2^k-13221301323 is a prime.

It is a super-3 number, since 3×13221301323³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13221301323.

It is not an unprimeable number, because it can be changed into a prime (13221301123) 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 in 15 ways as a sum of consecutive naturals, for example, 2011240 + ... + 2017802.

It is an arithmetic number, because the mean of its divisors is an integer number (1108817136).

Almost surely, 2^13221301323 is an apocalyptic number.

13221301323 is a deficient number, since it is larger than the sum of its proper divisors (4519772853).

13221301323 is a wasteful number, since it uses less digits than its factorization.

13221301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13221301323 its reverse (32310312231), we get a palindrome (45531613554).

The spelling of 13221301323 in words is "thirteen billion, two hundred twenty-one million, three hundred one thousand, three hundred twenty-three".