12320324340 has 48 divisors (see below), whose sum is σ = 34517857920. Its totient is φ = 3283424640.

The previous prime is 12320324329. The next prime is 12320324351. The reversal of 12320324340 is 4342302321.

It is an interprime number because it is at equal distance from previous prime (12320324329) and next prime (12320324351).

It is a self number, because there is not a number n which added to its sum of digits gives 12320324340.

It is a congruent number.

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, 38625 + ... + 161655.

It is an arithmetic number, because the mean of its divisors is an integer number (719122040).

Almost surely, 2^12320324340 is an apocalyptic number.

12320324340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320324340 is an abundant number, since it is smaller than the sum of its proper divisors (22197533580).

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

12320324340 is a wasteful number, since it uses less digits than its factorization.

12320324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124712 (or 124710 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12320324340 its reverse (4342302321), we get a palindrome (16662626661).

The spelling of 12320324340 in words is "twelve billion, three hundred twenty million, three hundred twenty-four thousand, three hundred forty".