1323324665 has 64 divisors (see below), whose sum is σ = 1868106240. Its totient is φ = 891770880.

The previous prime is 1323324661. The next prime is 1323324671. The reversal of 1323324665 is 5664233231.

It is not a de Polignac number, because 1323324665 - 2² = 1323324661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323324661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5679389 + ... + 5679621.

It is an arithmetic number, because the mean of its divisors is an integer number (29189160).

Almost surely, 2^1323324665 is an apocalyptic number.

It is an amenable number.

1323324665 is a deficient number, since it is larger than the sum of its proper divisors (544781575).

1323324665 is a wasteful number, since it uses less digits than its factorization.

1323324665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its digits is 77760, while the sum is 35.

The square root of 1323324665 is about 36377.5296714881. The cubic root of 1323324665 is about 1097.8815052457.

Adding to 1323324665 its reverse (5664233231), we get a palindrome (6987557896).

The spelling of 1323324665 in words is "one billion, three hundred twenty-three million, three hundred twenty-four thousand, six hundred sixty-five".