323104220120 has 128 divisors (see below), whose sum is σ = 809247386880. Its totient is φ = 115103040000.

The previous prime is 323104220119. The next prime is 323104220129. The reversal of 323104220120 is 21022401323.

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 = 323104220092 and 323104220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323104220129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16104095 + ... + 16124145.

It is an arithmetic number, because the mean of its divisors is an integer number (6322245210).

Almost surely, 2^323104220120 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 323104220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404623693440).

323104220120 is an abundant number, since it is smaller than the sum of its proper divisors (486143166760).

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

323104220120 is a wasteful number, since it uses less digits than its factorization.

323104220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20817 (or 20813 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 323104220120 its reverse (21022401323), we get a palindrome (344126621443).

The spelling of 323104220120 in words is "three hundred twenty-three billion, one hundred four million, two hundred twenty thousand, one hundred twenty".