1323314123321 has 2 divisors, whose sum is σ = 1323314123322. Its totient is φ = 1323314123320.

The previous prime is 1323314123281. The next prime is 1323314123353. The reversal of 1323314123321 is 1233214133231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179263511721 + 144050611600 = 1085939^2 + 379540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323314123321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323314123921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661657061660 + 661657061661.

It is an arithmetic number, because the mean of its divisors is an integer number (661657061661).

Almost surely, 2^{1323314123321} is an apocalyptic number.

It is an amenable number.

1323314123321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323314123321 is an equidigital number, since it uses as much as digits as its factorization.

1323314123321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

Adding to 1323314123321 its reverse (1233214133231), we get a palindrome (2556528256552).

The spelling of 1323314123321 in words is "one trillion, three hundred twenty-three billion, three hundred fourteen million, one hundred twenty-three thousand, three hundred twenty-one".