320323432443 has 24 divisors (see below), whose sum is σ = 496849630032. Its totient is φ = 183034059264.

The previous prime is 320323432441. The next prime is 320323432469. The reversal of 320323432443 is 344234323023.

It is not a de Polignac number, because 320323432443 - 2¹ = 320323432441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320323432441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6038371 + ... + 6091187.

It is an arithmetic number, because the mean of its divisors is an integer number (20702067918).

Almost surely, 2^320323432443 is an apocalyptic number.

320323432443 is a deficient number, since it is larger than the sum of its proper divisors (176526197589).

320323432443 is a wasteful number, since it uses less digits than its factorization.

320323432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94091 (or 94084 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 320323432443 its reverse (344234323023), we get a palindrome (664557755466).

The spelling of 320323432443 in words is "three hundred twenty billion, three hundred twenty-three million, four hundred thirty-two thousand, four hundred forty-three".