323043320000 has 140 divisors (see below), whose sum is σ = 843204556920. Its totient is φ = 122416128000.

The previous prime is 323043319987. The next prime is 323043320021. The reversal of 323043320000 is 23340323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 547472 + ... + 972528.

Almost surely, 2^323043320000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323043320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421602278460).

323043320000 is an abundant number, since it is smaller than the sum of its proper divisors (520161236920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323043320000 is an equidigital number, since it uses as much as digits as its factorization.

323043320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425108 (or 425083 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 323043320000 its reverse (23340323), we get a palindrome (323066660323).

The spelling of 323043320000 in words is "three hundred twenty-three billion, forty-three million, three hundred twenty thousand".