323221103120 has 160 divisors (see below), whose sum is σ = 830073657600. Its totient is φ = 116625180672.

The previous prime is 323221103063. The next prime is 323221103141. The reversal of 323221103120 is 21301122323.

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

It is a junction number, because it is equal to n+sod(n) for n = 323221103092 and 323221103101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2224046 + ... + 2364914.

It is an arithmetic number, because the mean of its divisors is an integer number (5187960360).

Almost surely, 2^323221103120 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 323221103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415036828800).

323221103120 is an abundant number, since it is smaller than the sum of its proper divisors (506852554480).

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

323221103120 is a wasteful number, since it uses less digits than its factorization.

323221103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140977 (or 140971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323221103120 its reverse (21301122323), we get a palindrome (344522225443).

The spelling of 323221103120 in words is "three hundred twenty-three billion, two hundred twenty-one million, one hundred three thousand, one hundred twenty".