12443734543 has 8 divisors (see below), whose sum is σ = 13101532400. Its totient is φ = 11786223168.

The previous prime is 12443734517. The next prime is 12443734547. The reversal of 12443734543 is 34543734421.

12443734543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12443734543 - 2³³ = 3853799951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12443734496 and 12443734505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443734547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20605 + ... + 159097.

It is an arithmetic number, because the mean of its divisors is an integer number (1637691550).

Almost surely, 2^12443734543 is an apocalyptic number.

12443734543 is a deficient number, since it is larger than the sum of its proper divisors (657797857).

12443734543 is a wasteful number, since it uses less digits than its factorization.

12443734543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143241.

The product of its digits is 483840, while the sum is 40.

The spelling of 12443734543 in words is "twelve billion, four hundred forty-three million, seven hundred thirty-four thousand, five hundred forty-three".