1323797393 has 4 divisors (see below), whose sum is σ = 1393470960. Its totient is φ = 1254123828.

The previous prime is 1323797329. The next prime is 1323797401. The reversal of 1323797393 is 3937973231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323797393 - 2⁶ = 1323797329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323797093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34836755 + ... + 34836792.

It is an arithmetic number, because the mean of its divisors is an integer number (348367740).

Almost surely, 2^1323797393 is an apocalyptic number.

It is an amenable number.

1323797393 is a deficient number, since it is larger than the sum of its proper divisors (69673567).

1323797393 is an equidigital number, since it uses as much as digits as its factorization.

1323797393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69673566.

The product of its digits is 642978, while the sum is 47.

The square root of 1323797393 is about 36384.0266188337. The cubic root of 1323797393 is about 1098.0122208475.

The spelling of 1323797393 in words is "one billion, three hundred twenty-three million, seven hundred ninety-seven thousand, three hundred ninety-three".