443343112242321 has 4 divisors (see below), whose sum is σ = 591124149656432. Its totient is φ = 295562074828212.

The previous prime is 443343112242311. The next prime is 443343112242323. The reversal of 443343112242321 is 123242211343344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 443343112242321 - 2⁶ = 443343112242257 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 443343112242321.

It is not an unprimeable number, because it can be changed into a prime (443343112242323) 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 3 ways as a sum of consecutive naturals, for example, 73890518707051 + ... + 73890518707056.

It is an arithmetic number, because the mean of its divisors is an integer number (147781037414108).

Almost surely, 2^{443343112242321} is an apocalyptic number.

It is an amenable number.

443343112242321 is a deficient number, since it is larger than the sum of its proper divisors (147781037414111).

443343112242321 is a wasteful number, since it uses less digits than its factorization.

443343112242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147781037414110.

The product of its digits is 331776, while the sum is 39.

Adding to 443343112242321 its reverse (123242211343344), we get a palindrome (566585323585665).

The spelling of 443343112242321 in words is "four hundred forty-three trillion, three hundred forty-three billion, one hundred twelve million, two hundred forty-two thousand, three hundred twenty-one".