12324432563 has 4 divisors (see below), whose sum is σ = 12382842408. Its totient is φ = 12266022720.

The previous prime is 12324432559. The next prime is 12324432569. The reversal of 12324432563 is 36523442321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12324432563 - 2² = 12324432559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12324432569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29204606 + ... + 29205027.

It is an arithmetic number, because the mean of its divisors is an integer number (3095710602).

Almost surely, 2^12324432563 is an apocalyptic number.

12324432563 is a deficient number, since it is larger than the sum of its proper divisors (58409845).

12324432563 is an equidigital number, since it uses as much as digits as its factorization.

12324432563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58409844.

The product of its digits is 103680, while the sum is 35.

Adding to 12324432563 its reverse (36523442321), we get a palindrome (48847874884).

The spelling of 12324432563 in words is "twelve billion, three hundred twenty-four million, four hundred thirty-two thousand, five hundred sixty-three".