12323031303320 has 128 divisors (see below), whose sum is σ = 28099853208000. Its totient is φ = 4863152701440.

The previous prime is 12323031303311. The next prime is 12323031303397. The reversal of 12323031303320 is 2330313032321.

It is a happy number.

12323031303320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12323031303320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4575947894 + ... + 4575950586.

Almost surely, 2^{12323031303320} is an apocalyptic number.

12323031303320 is a gapful number since it is divisible by the number (10) 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 12323031303320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14049926604000).

12323031303320 is an abundant number, since it is smaller than the sum of its proper divisors (15776821904680).

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

12323031303320 is a wasteful number, since it uses less digits than its factorization.

12323031303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 12323031303320 its reverse (2330313032321), we get a palindrome (14653344335641).

The spelling of 12323031303320 in words is "twelve trillion, three hundred twenty-three billion, thirty-one million, three hundred three thousand, three hundred twenty".