1323715361 has 2 divisors, whose sum is σ = 1323715362. Its totient is φ = 1323715360.

The previous prime is 1323715331. The next prime is 1323715363. The reversal of 1323715361 is 1635173231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726841600 + 596873761 = 26960^2 + 24431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323715361 - 2¹⁸ = 1323453217 is a prime.

Together with 1323715363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1323715363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661857680 + 661857681.

It is an arithmetic number, because the mean of its divisors is an integer number (661857681).

Almost surely, 2^1323715361 is an apocalyptic number.

It is an amenable number.

1323715361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323715361 is an equidigital number, since it uses as much as digits as its factorization.

1323715361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 1323715361 is about 36382.8992934868. The cubic root of 1323715361 is about 1097.9895401363.

Adding to 1323715361 its reverse (1635173231), we get a palindrome (2958888592).

The spelling of 1323715361 in words is "one billion, three hundred twenty-three million, seven hundred fifteen thousand, three hundred sixty-one".