12323000020 has 12 divisors (see below), whose sum is σ = 25878300084. Its totient is φ = 4929200000.

The previous prime is 12323000017. The next prime is 12323000047. The reversal of 12323000020 is 2000032321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8510431504 + 3812568516 = 92252^2 + 61746^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308074981 + ... + 308075020.

It is an arithmetic number, because the mean of its divisors is an integer number (2156525007).

Almost surely, 2^12323000020 is an apocalyptic number.

12323000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323000020 is an abundant number, since it is smaller than the sum of its proper divisors (13555300064).

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

12323000020 is a wasteful number, since it uses less digits than its factorization.

12323000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616150010 (or 616150008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12323000020 its reverse (2000032321), we get a palindrome (14323032341).

The spelling of 12323000020 in words is "twelve billion, three hundred twenty-three million, twenty", and thus it is an aban number.