323023112220 has 192 divisors, whose sum is σ = 957787536384. Its totient is φ = 81174804480.

The previous prime is 323023112201. The next prime is 323023112233. The reversal of 323023112220 is 22211320323.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173574090 + ... + 173575950.

It is an arithmetic number, because the mean of its divisors is an integer number (4988476752).

Almost surely, 2^323023112220 is an apocalyptic number.

323023112220 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 323023112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478893768192).

323023112220 is an abundant number, since it is smaller than the sum of its proper divisors (634764424164).

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

323023112220 is a wasteful number, since it uses less digits than its factorization.

323023112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3690 counting only the distinct ones).

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

Adding to 323023112220 its reverse (22211320323), we get a palindrome (345234432543).

The spelling of 323023112220 in words is "three hundred twenty-three billion, twenty-three million, one hundred twelve thousand, two hundred twenty".