12342323232 has 72 divisors (see below), whose sum is σ = 35251938540. Its totient is φ = 4096120320.

The previous prime is 12342323197. The next prime is 12342323251. The reversal of 12342323232 is 23232324321.

12342323232 is a `hidden beast` number, since 1 + 2 + 3 + 423 + 2 + 3 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12259804176 + 82519056 = 110724^2 + 9084^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 12342323196 and 12342323205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27619 + ... + 159522.

Almost surely, 2^12342323232 is an apocalyptic number.

12342323232 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 12342323232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17625969270).

12342323232 is an abundant number, since it is smaller than the sum of its proper divisors (22909615308).

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

12342323232 is a wasteful number, since it uses less digits than its factorization.

12342323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187386 (or 187375 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 12342323232 its reverse (23232324321), we get a palindrome (35574647553).

The spelling of 12342323232 in words is "twelve billion, three hundred forty-two million, three hundred twenty-three thousand, two hundred thirty-two".