12323201232 has 40 divisors (see below), whose sum is σ = 32218500384. Its totient is φ = 4058241664.

The previous prime is 12323201227. The next prime is 12323201239. The reversal of 12323201232 is 23210232321.

It is a happy number.

It is a super-2 number, since 2×12323201232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12323201199 and 12323201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323201239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542603 + ... + 1550570.

Almost surely, 2^12323201232 is an apocalyptic number.

12323201232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12323201232 is an abundant number, since it is smaller than the sum of its proper divisors (19895299152).

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

12323201232 is a wasteful number, since it uses less digits than its factorization.

12323201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093267 (or 3093261 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12323201232 its reverse (23210232321), we get a palindrome (35533433553).

The spelling of 12323201232 in words is "twelve billion, three hundred twenty-three million, two hundred one thousand, two hundred thirty-two".