323143140112 has 80 divisors (see below), whose sum is σ = 703927445760. Its totient is φ = 142585191936.

The previous prime is 323143140101. The next prime is 323143140139. The reversal of 323143140112 is 211041341323.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9881773 + ... + 9914419.

It is an arithmetic number, because the mean of its divisors is an integer number (8799093072).

Almost surely, 2^323143140112 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 323143140112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351963722880).

323143140112 is an abundant number, since it is smaller than the sum of its proper divisors (380784305648).

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

323143140112 is a wasteful number, since it uses less digits than its factorization.

323143140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34760 (or 34754 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323143140112 its reverse (211041341323), we get a palindrome (534184481435).

The spelling of 323143140112 in words is "three hundred twenty-three billion, one hundred forty-three million, one hundred forty thousand, one hundred twelve".