12323432224 has 48 divisors (see below), whose sum is σ = 25621202880. Its totient is φ = 5818556160.

The previous prime is 12323432213. The next prime is 12323432239. The reversal of 12323432224 is 42223432321.

It is a junction number, because it is equal to n+sod(n) for n = 12323432192 and 12323432201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156502 + ... + 221674.

It is an arithmetic number, because the mean of its divisors is an integer number (533775060).

Almost surely, 2^12323432224 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 12323432224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12810601440).

12323432224 is an abundant number, since it is smaller than the sum of its proper divisors (13297770656).

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

12323432224 is a wasteful number, since it uses less digits than its factorization.

12323432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65513 (or 65505 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 12323432224 its reverse (42223432321), we get a palindrome (54546864545).

The spelling of 12323432224 in words is "twelve billion, three hundred twenty-three million, four hundred thirty-two thousand, two hundred twenty-four".