12323230112 has 48 divisors (see below), whose sum is σ = 25189097472. Its totient is φ = 5928303360.

The previous prime is 12323230111. The next prime is 12323230141. The reversal of 12323230112 is 21103232321.

It is not an unprimeable number, because it can be changed into a prime (12323230111) 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, 135713 + ... + 207519.

It is an arithmetic number, because the mean of its divisors is an integer number (524772864).

Almost surely, 2^12323230112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12594548736).

12323230112 is an abundant number, since it is smaller than the sum of its proper divisors (12865867360).

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

12323230112 is a wasteful number, since it uses less digits than its factorization.

12323230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72021 (or 72013 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12323230112 its reverse (21103232321), we get a palindrome (33426462433).

The spelling of 12323230112 in words is "twelve billion, three hundred twenty-three million, two hundred thirty thousand, one hundred twelve".