12323537312 has 24 divisors (see below), whose sum is σ = 24917695236. Its totient is φ = 5995233792.

The previous prime is 12323537293. The next prime is 12323537339. The reversal of 12323537312 is 21373532321.

It can be written as a sum of positive squares in 2 ways, for example, as 12030579856 + 292957456 = 109684^2 + 17116^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 5203013 + ... + 5205380.

Almost surely, 2^12323537312 is an apocalyptic number.

It is an amenable number.

12323537312 is an abundant number, since it is smaller than the sum of its proper divisors (12594157924).

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

12323537312 is a wasteful number, since it uses less digits than its factorization.

12323537312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408440 (or 10408432 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The spelling of 12323537312 in words is "twelve billion, three hundred twenty-three million, five hundred thirty-seven thousand, three hundred twelve".