4221424434123 has 12 divisors (see below), whose sum is σ = 6566660231040. Its totient is φ = 2597799651696.

The previous prime is 4221424434121. The next prime is 4221424434167. The reversal of 4221424434123 is 3214344241224.

4221424434123 is a `hidden beast` number, since 4 + 2 + 214 + 2 + 4 + 434 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 4221424434123 - 2¹ = 4221424434121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221424434121) 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 11 ways as a sum of consecutive naturals, for example, 18040275243 + ... + 18040275476.

It is an arithmetic number, because the mean of its divisors is an integer number (547221685920).

Almost surely, 2^{4221424434123} is an apocalyptic number.

4221424434123 is a deficient number, since it is larger than the sum of its proper divisors (2345235796917).

4221424434123 is a wasteful number, since it uses less digits than its factorization.

4221424434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36080550738 (or 36080550735 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 4221424434123 its reverse (3214344241224), we get a palindrome (7435768675347).

The spelling of 4221424434123 in words is "four trillion, two hundred twenty-one billion, four hundred twenty-four million, four hundred thirty-four thousand, one hundred twenty-three".