13323023321 has 2 divisors, whose sum is σ = 13323023322. Its totient is φ = 13323023320.

The previous prime is 13323023317. The next prime is 13323023327. The reversal of 13323023321 is 12332032331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10493953600 + 2829069721 = 102440^2 + 53189^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323023321 - 2² = 13323023317 is a prime.

It is not a weakly prime, because it can be changed into another prime (13323023327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661511660 + 6661511661.

It is an arithmetic number, because the mean of its divisors is an integer number (6661511661).

Almost surely, 2^13323023321 is an apocalyptic number.

It is an amenable number.

13323023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323023321 is an equidigital number, since it uses as much as digits as its factorization.

13323023321 is an evil number, because the sum of its binary digits is even.

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

Adding to 13323023321 its reverse (12332032331), we get a palindrome (25655055652).

The spelling of 13323023321 in words is "thirteen billion, three hundred twenty-three million, twenty-three thousand, three hundred twenty-one".