4423443243 has 16 divisors (see below), whose sum is σ = 5999616000. Its totient is φ = 2898197280.

The previous prime is 4423443223. The next prime is 4423443313. The reversal of 4423443243 is 3423443244.

It is not a de Polignac number, because 4423443243 - 2⁸ = 4423442987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4423443223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224608 + ... + 243506.

It is an arithmetic number, because the mean of its divisors is an integer number (374976000).

Almost surely, 2^4423443243 is an apocalyptic number.

4423443243 is a deficient number, since it is larger than the sum of its proper divisors (1576172757).

4423443243 is a wasteful number, since it uses less digits than its factorization.

4423443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242.

The product of its digits is 110592, while the sum is 33.

The square root of 4423443243 is about 66508.9711467558. The cubic root of 4423443243 is about 1641.5476223514.

Adding to 4423443243 its reverse (3423443244), we get a palindrome (7846886487).

Subtracting from 4423443243 its reverse (3423443244), we obtain a palindrome (999999999).

The spelling of 4423443243 in words is "four billion, four hundred twenty-three million, four hundred forty-three thousand, two hundred forty-three".