1323323311201 has 4 divisors (see below), whose sum is σ = 1324747772100. Its totient is φ = 1321898850304.

The previous prime is 1323323311169. The next prime is 1323323311229. The reversal of 1323323311201 is 1021133233231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 701031100176 + 622292211025 = 837276^2 + 788855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323323311201 - 2⁵ = 1323323311169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323323311231) 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, 712229056 + ... + 712230913.

It is an arithmetic number, because the mean of its divisors is an integer number (331186943025).

Almost surely, 2^{1323323311201} is an apocalyptic number.

It is an amenable number.

1323323311201 is a deficient number, since it is larger than the sum of its proper divisors (1424460899).

1323323311201 is an equidigital number, since it uses as much as digits as its factorization.

1323323311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424460898.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1323323311201 its reverse (1021133233231), we get a palindrome (2344456544432).

The spelling of 1323323311201 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-three million, three hundred eleven thousand, two hundred one".