12323230312 has 16 divisors (see below), whose sum is σ = 23107297860. Its totient is φ = 6161284224.

The previous prime is 12323230289. The next prime is 12323230319. The reversal of 12323230312 is 21303232321.

It can be written as a sum of positive squares in 2 ways, for example, as 9937298596 + 2385931716 = 99686^2 + 48846^2 .

It is not an unprimeable number, because it can be changed into a prime (12323230319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199158 + ... + 253594.

Almost surely, 2^12323230312 is an apocalyptic number.

It is an amenable number.

12323230312 is a deficient number, since it is larger than the sum of its proper divisors (10784067548).

12323230312 is a wasteful number, since it uses less digits than its factorization.

12323230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82740 (or 82736 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12323230312 its reverse (21303232321), we get a palindrome (33626462633).

The spelling of 12323230312 in words is "twelve billion, three hundred twenty-three million, two hundred thirty thousand, three hundred twelve".