12323012320 has 24 divisors (see below), whose sum is σ = 29113116984. Its totient is φ = 4929204864.

The previous prime is 12323012287. The next prime is 12323012327. The reversal of 12323012320 is 2321032321.

12323012320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323012327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38509254 + ... + 38509573.

It is an arithmetic number, because the mean of its divisors is an integer number (1213046541).

Almost surely, 2^12323012320 is an apocalyptic number.

12323012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323012320 is an abundant number, since it is smaller than the sum of its proper divisors (16790104664).

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

12323012320 is an equidigital number, since it uses as much as digits as its factorization.

12323012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77018842 (or 77018834 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12323012320 its reverse (2321032321), we get a palindrome (14644044641).

The spelling of 12323012320 in words is "twelve billion, three hundred twenty-three million, twelve thousand, three hundred twenty".