12324434143 has 4 divisors (see below), whose sum is σ = 14085067600. Its totient is φ = 10563800688.

The previous prime is 12324434117. The next prime is 12324434153. The reversal of 12324434143 is 34143442321.

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

It is not a de Polignac number, because 12324434143 - 2²¹ = 12322336991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324434153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880316718 + ... + 880316731.

It is an arithmetic number, because the mean of its divisors is an integer number (3521266900).

Almost surely, 2^12324434143 is an apocalyptic number.

12324434143 is a deficient number, since it is larger than the sum of its proper divisors (1760633457).

12324434143 is an equidigital number, since it uses as much as digits as its factorization.

12324434143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760633456.

The product of its digits is 27648, while the sum is 31.

Adding to 12324434143 its reverse (34143442321), we get a palindrome (46467876464).

The spelling of 12324434143 in words is "twelve billion, three hundred twenty-four million, four hundred thirty-four thousand, one hundred forty-three".