12433111432 has 96 divisors (see below), whose sum is σ = 28843322400. Its totient is φ = 4992336384.

The previous prime is 12433111399. The next prime is 12433111433. The reversal of 12433111432 is 23411133421.

It is a junction number, because it is equal to n+sod(n) for n = 12433111397 and 12433111406.

It is not an unprimeable number, because it can be changed into a prime (12433111433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1508619 + ... + 1516837.

It is an arithmetic number, because the mean of its divisors is an integer number (300451275).

Almost surely, 2^12433111432 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 12433111432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14421661200).

12433111432 is an abundant number, since it is smaller than the sum of its proper divisors (16410210968).

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

12433111432 is a wasteful number, since it uses less digits than its factorization.

12433111432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483 (or 8472 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 12433111432 its reverse (23411133421), we get a palindrome (35844244853).

The spelling of 12433111432 in words is "twelve billion, four hundred thirty-three million, one hundred eleven thousand, four hundred thirty-two".