424143122443 has 4 divisors (see below), whose sum is σ = 424152080800. Its totient is φ = 424134164088.

The previous prime is 424143122437. The next prime is 424143122489. The reversal of 424143122443 is 344221341424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424143122443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424143122399 and 424143122408.

It is not an unprimeable number, because it can be changed into a prime (424143122243) 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, 4407780 + ... + 4502977.

It is an arithmetic number, because the mean of its divisors is an integer number (106038020200).

Almost surely, 2^424143122443 is an apocalyptic number.

424143122443 is a deficient number, since it is larger than the sum of its proper divisors (8958357).

424143122443 is an equidigital number, since it uses as much as digits as its factorization.

424143122443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958356.

The product of its digits is 73728, while the sum is 34.

Adding to 424143122443 its reverse (344221341424), we get a palindrome (768364463867).

The spelling of 424143122443 in words is "four hundred twenty-four billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred forty-three".