1323343397 has 2 divisors, whose sum is σ = 1323343398. Its totient is φ = 1323343396.

The previous prime is 1323343381. The next prime is 1323343453. The reversal of 1323343397 is 7933433231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783664036 + 539679361 = 27994^2 + 23231^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323343397 - 2⁴ = 1323343381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323343397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323343337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661671698 + 661671699.

It is an arithmetic number, because the mean of its divisors is an integer number (661671699).

Almost surely, 2^1323343397 is an apocalyptic number.

It is an amenable number.

1323343397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323343397 is an equidigital number, since it uses as much as digits as its factorization.

1323343397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 38.

The square root of 1323343397 is about 36377.7871372078. The cubic root of 1323343397 is about 1097.8866854860.

The spelling of 1323343397 in words is "one billion, three hundred twenty-three million, three hundred forty-three thousand, three hundred ninety-seven".