323322220100 has 144 divisors (see below), whose sum is σ = 780090696000. Its totient is φ = 115335360000.

The previous prime is 323322220099. The next prime is 323322220103. The reversal of 323322220100 is 1022223323.

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

It is not an unprimeable number, because it can be changed into a prime (323322220103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12096551 + ... + 12123249.

It is an arithmetic number, because the mean of its divisors is an integer number (5417296500).

Almost surely, 2^323322220100 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 323322220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390045348000).

323322220100 is an abundant number, since it is smaller than the sum of its proper divisors (456768475900).

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

323322220100 is a wasteful number, since it uses less digits than its factorization.

323322220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26934 (or 26927 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323322220100 its reverse (1022223323), we get a palindrome (324344443423).

The spelling of 323322220100 in words is "three hundred twenty-three billion, three hundred twenty-two million, two hundred twenty thousand, one hundred".