4423544023 has 8 divisors (see below), whose sum is σ = 4624610400. Its totient is φ = 4231204384.

The previous prime is 4423544009. The next prime is 4423544053. The reversal of 4423544023 is 3204453244.

It is not a de Polignac number, because 4423544023 - 2²¹ = 4421446871 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 (4423544003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169618 + ... + 193951.

It is an arithmetic number, because the mean of its divisors is an integer number (578076300).

Almost surely, 2^4423544023 is an apocalyptic number.

4423544023 is a deficient number, since it is larger than the sum of its proper divisors (201066377).

4423544023 is an frugal number, since it uses more digits than its factorization.

4423544023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363638 (or 363592 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 4423544023 is about 66509.7287845921. The cubic root of 4423544023 is about 1641.5600888023.

Adding to 4423544023 its reverse (3204453244), we get a palindrome (7627997267).

The spelling of 4423544023 in words is "four billion, four hundred twenty-three million, five hundred forty-four thousand, twenty-three".