5443240423 has 4 divisors (see below), whose sum is σ = 5444140168. Its totient is φ = 5442340680.

The previous prime is 5443240409. The next prime is 5443240427. The reversal of 5443240423 is 3240423445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5443240423 - 2⁵ = 5443240391 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 (5443240427) 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, 440736 + ... + 452917.

It is an arithmetic number, because the mean of its divisors is an integer number (1361035042).

Almost surely, 2^5443240423 is an apocalyptic number.

5443240423 is a deficient number, since it is larger than the sum of its proper divisors (899745).

5443240423 is an equidigital number, since it uses as much as digits as its factorization.

5443240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899744.

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

The square root of 5443240423 is about 73778.3194644606. The cubic root of 5443240423 is about 1759.0810051377.

Adding to 5443240423 its reverse (3240423445), we get a palindrome (8683663868).

The spelling of 5443240423 in words is "five billion, four hundred forty-three million, two hundred forty thousand, four hundred twenty-three".