323013321002000 has 160 divisors (see below), whose sum is σ = 788826243389184. Its totient is φ = 127922865408000.

The previous prime is 323013321001993. The next prime is 323013321002039. The reversal of 323013321002000 is 200123310323.

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112022357 + ... + 114869643.

Almost surely, 2^{323013321002000} 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 323013321002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394413121694592).

323013321002000 is an abundant number, since it is smaller than the sum of its proper divisors (465812922387184).

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

323013321002000 is a wasteful number, since it uses less digits than its factorization.

323013321002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847874 (or 2847858 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323013321002000 its reverse (200123310323), we get a palindrome (323213444312323).

The spelling of 323013321002000 in words is "three hundred twenty-three trillion, thirteen billion, three hundred twenty-one million, two thousand".