6434441143423 has 8 divisors (see below), whose sum is σ = 6438556534896. Its totient is φ = 6430326739200.

The previous prime is 6434441143421. The next prime is 6434441143447. The reversal of 6434441143423 is 3243411444346.

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 6434441143423 - 2¹ = 6434441143421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6434441143423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434441143421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13019628 + ... + 13504798.

It is an arithmetic number, because the mean of its divisors is an integer number (804819566862).

Almost surely, 2^{6434441143423} is an apocalyptic number.

6434441143423 is a deficient number, since it is larger than the sum of its proper divisors (4115391473).

6434441143423 is a wasteful number, since it uses less digits than its factorization.

6434441143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493625.

The product of its digits is 1327104, while the sum is 43.

Adding to 6434441143423 its reverse (3243411444346), we get a palindrome (9677852587769).

The spelling of 6434441143423 in words is "six trillion, four hundred thirty-four billion, four hundred forty-one million, one hundred forty-three thousand, four hundred twenty-three".