13221210323 has 2 divisors, whose sum is σ = 13221210324. Its totient is φ = 13221210322.

The previous prime is 13221210281. The next prime is 13221210377. The reversal of 13221210323 is 32301212231.

It is a weak prime.

It is an emirp because it is prime and its reverse (32301212231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13221210323 - 2²² = 13217016019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221210295 and 13221210304.

It is not a weakly prime, because it can be changed into another prime (13221270323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610605161 + 6610605162.

It is an arithmetic number, because the mean of its divisors is an integer number (6610605162).

Almost surely, 2^13221210323 is an apocalyptic number.

13221210323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221210323 is an equidigital number, since it uses as much as digits as its factorization.

13221210323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13221210323 its reverse (32301212231), we get a palindrome (45522422554).

The spelling of 13221210323 in words is "thirteen billion, two hundred twenty-one million, two hundred ten thousand, three hundred twenty-three".