323220032120100 has 144 divisors (see below), whose sum is σ = 984476689459200. Its totient is φ = 81649513249920.

The previous prime is 323220032120087. The next prime is 323220032120171. The reversal of 323220032120100 is 1021230022323.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74773681 + ... + 78978119.

It is an arithmetic number, because the mean of its divisors is an integer number (6836643676800).

Almost surely, 2^{323220032120100} is an apocalyptic number.

323220032120100 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 323220032120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492238344729600).

323220032120100 is an abundant number, since it is smaller than the sum of its proper divisors (661256657339100).

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

323220032120100 is a wasteful number, since it uses less digits than its factorization.

323220032120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217962 (or 4217955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 323220032120100 its reverse (1021230022323), we get a palindrome (324241262142423).

The spelling of 323220032120100 in words is "three hundred twenty-three trillion, two hundred twenty billion, thirty-two million, one hundred twenty thousand, one hundred".