323012320200 has 144 divisors (see below), whose sum is σ = 1085524467300. Its totient is φ = 86077747200.

The previous prime is 323012320199. The next prime is 323012320207. The reversal of 323012320200 is 2023210323.

It is a happy number.

323012320200 is a `hidden beast` number, since 3 + 230 + 1 + 232 + 0 + 200 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 101662771716 + 221349548484 = 318846^2 + 470478^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (323012320207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2605216 + ... + 2726384.

Almost surely, 2^323012320200 is an apocalyptic number.

323012320200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323012320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542762233650).

323012320200 is an abundant number, since it is smaller than the sum of its proper divisors (762512147100).

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

323012320200 is a wasteful number, since it uses less digits than its factorization.

323012320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122672 (or 122660 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 323012320200 its reverse (2023210323), we get a palindrome (325035530523).

The spelling of 323012320200 in words is "three hundred twenty-three billion, twelve million, three hundred twenty thousand, two hundred".