443234340121 has 4 divisors (see below), whose sum is σ = 443241666432. Its totient is φ = 443227013812.

The previous prime is 443234340089. The next prime is 443234340151. The reversal of 443234340121 is 121043432344.

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 a cyclic number.

It is not a de Polignac number, because 443234340121 - 2⁵ = 443234340089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443234340151) 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, 3571645 + ... + 3693658.

It is an arithmetic number, because the mean of its divisors is an integer number (110810416608).

Almost surely, 2^443234340121 is an apocalyptic number.

It is an amenable number.

443234340121 is a deficient number, since it is larger than the sum of its proper divisors (7326311).

443234340121 is an equidigital number, since it uses as much as digits as its factorization.

443234340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326310.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 443234340121 its reverse (121043432344), we get a palindrome (564277772465).

The spelling of 443234340121 in words is "four hundred forty-three billion, two hundred thirty-four million, three hundred forty thousand, one hundred twenty-one".