443234220023 has 6 divisors (see below), whose sum is σ = 515598990696. Its totient is φ = 379915045692.

The previous prime is 443234219999. The next prime is 443234220029. The reversal of 443234220023 is 320022432344.

It is a happy number.

It is not a de Polignac number, because 443234220023 - 2⁶ = 443234219959 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 (443234220029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4522798115 + ... + 4522798212.

It is an arithmetic number, because the mean of its divisors is an integer number (85933165116).

Almost surely, 2^443234220023 is an apocalyptic number.

443234220023 is a deficient number, since it is larger than the sum of its proper divisors (72364770673).

443234220023 is an equidigital number, since it uses as much as digits as its factorization.

443234220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045596341 (or 9045596334 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 443234220023 its reverse (320022432344), we get a palindrome (763256652367).

The spelling of 443234220023 in words is "four hundred forty-three billion, two hundred thirty-four million, two hundred twenty thousand, twenty-three".