12323323140 has 48 divisors (see below), whose sum is σ = 34528394880. Its totient is φ = 3284020480.

The previous prime is 12323323123. The next prime is 12323323163. The reversal of 12323323140 is 4132332321.

It is a self number, because there is not a number n which added to its sum of digits gives 12323323140.

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, 22696 + ... + 158624.

It is an arithmetic number, because the mean of its divisors is an integer number (719341560).

Almost surely, 2^12323323140 is an apocalyptic number.

12323323140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323323140 is an abundant number, since it is smaller than the sum of its proper divisors (22205071740).

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

12323323140 is a wasteful number, since it uses less digits than its factorization.

12323323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137452 (or 137450 counting only the distinct ones).

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

Adding to 12323323140 its reverse (4132332321), we get a palindrome (16455655461).

The spelling of 12323323140 in words is "twelve billion, three hundred twenty-three million, three hundred twenty-three thousand, one hundred forty".