323200120000 has 140 divisors (see below), whose sum is σ = 809703155800. Its totient is φ = 127945728000.

The previous prime is 323200119947. The next prime is 323200120007. The reversal of 323200120000 is 21002323.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (323200120007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3838351 + ... + 3921649.

It is an arithmetic number, because the mean of its divisors is an integer number (5783593970).

Almost surely, 2^323200120000 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 323200120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404851577900).

323200120000 is an abundant number, since it is smaller than the sum of its proper divisors (486503035800).

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

323200120000 is an frugal number, since it uses more digits than its factorization.

323200120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83428 (or 83403 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 323200120000 its reverse (21002323), we get a palindrome (323221122323).

The spelling of 323200120000 in words is "three hundred twenty-three billion, two hundred million, one hundred twenty thousand".