12343323432 has 128 divisors (see below), whose sum is σ = 34825996800. Its totient is φ = 3612729600.

The previous prime is 12343323431. The next prime is 12343323439. The reversal of 12343323432 is 23432334321.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12343323432.

It is not an unprimeable number, because it can be changed into a prime (12343323431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1353207 + ... + 1362297.

It is an arithmetic number, because the mean of its divisors is an integer number (272078100).

Almost surely, 2^12343323432 is an apocalyptic number.

12343323432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12343323432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17412998400).

12343323432 is an abundant number, since it is smaller than the sum of its proper divisors (22482673368).

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

12343323432 is a wasteful number, since it uses less digits than its factorization.

12343323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287 (or 9283 counting only the distinct ones).

The product of its digits is 31104, while the sum is 30.

Adding to 12343323432 its reverse (23432334321), we get a palindrome (35775657753).

The spelling of 12343323432 in words is "twelve billion, three hundred forty-three million, three hundred twenty-three thousand, four hundred thirty-two".