323340320443 has 4 divisors (see below), whose sum is σ = 369531794800. Its totient is φ = 277148846088.

The previous prime is 323340320441. The next prime is 323340320447. The reversal of 323340320443 is 344023043323.

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

It is a cyclic number.

It is not a de Polignac number, because 323340320443 - 2¹ = 323340320441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323340320441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23095737168 + ... + 23095737181.

It is an arithmetic number, because the mean of its divisors is an integer number (92382948700).

Almost surely, 2^323340320443 is an apocalyptic number.

323340320443 is a deficient number, since it is larger than the sum of its proper divisors (46191474357).

323340320443 is an equidigital number, since it uses as much as digits as its factorization.

323340320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46191474356.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 323340320443 its reverse (344023043323), we get a palindrome (667363363766).

The spelling of 323340320443 in words is "three hundred twenty-three billion, three hundred forty million, three hundred twenty thousand, four hundred forty-three".