1323113413 has 2 divisors, whose sum is σ = 1323113414. Its totient is φ = 1323113412.

The previous prime is 1323113399. The next prime is 1323113443. The reversal of 1323113413 is 3143113231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1308847684 + 14265729 = 36178^2 + 3777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323113413 - 2⁵ = 1323113381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323113443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661556706 + 661556707.

It is an arithmetic number, because the mean of its divisors is an integer number (661556707).

Almost surely, 2^1323113413 is an apocalyptic number.

It is an amenable number.

1323113413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323113413 is an equidigital number, since it uses as much as digits as its factorization.

1323113413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 1323113413 is about 36374.6259499668. The cubic root of 1323113413 is about 1097.8230811838.

Adding to 1323113413 its reverse (3143113231), we get a palindrome (4466226644).

The spelling of 1323113413 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, four hundred thirteen".