443423424221 has 8 divisors (see below), whose sum is σ = 473728090080. Its totient is φ = 413815417488.

The previous prime is 443423424217. The next prime is 443423424247. The reversal of 443423424221 is 122424324344.

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 443423424221 - 2² = 443423424217 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 (443423420221) 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, 174163466 + ... + 174166011.

It is an arithmetic number, because the mean of its divisors is an integer number (59216011260).

Almost surely, 2^443423424221 is an apocalyptic number.

It is an amenable number.

443423424221 is a deficient number, since it is larger than the sum of its proper divisors (30304665859).

443423424221 is a wasteful number, since it uses less digits than its factorization.

443423424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348329563.

The product of its digits is 147456, while the sum is 35.

Adding to 443423424221 its reverse (122424324344), we get a palindrome (565847748565).

The spelling of 443423424221 in words is "four hundred forty-three billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred twenty-one".