323231022312 has 128 divisors (see below), whose sum is σ = 916827033600. Its totient is φ = 94094956800.

The previous prime is 323231022259. The next prime is 323231022313. The reversal of 323231022312 is 213220132323.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (323231022313) 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, 562237 + ... + 981107.

It is an arithmetic number, because the mean of its divisors is an integer number (7162711200).

Almost surely, 2^323231022312 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 323231022312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458413516800).

323231022312 is an abundant number, since it is smaller than the sum of its proper divisors (593596011288).

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

323231022312 is a wasteful number, since it uses less digits than its factorization.

323231022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419007 (or 419003 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 323231022312 its reverse (213220132323), we get a palindrome (536451154635).

The spelling of 323231022312 in words is "three hundred twenty-three billion, two hundred thirty-one million, twenty-two thousand, three hundred twelve".