4443231423 has 4 divisors (see below), whose sum is σ = 5924308568. Its totient is φ = 2962154280.

The previous prime is 4443231421. The next prime is 4443231427. The reversal of 4443231423 is 3241323444.

It is a happy number.

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

It is not a de Polignac number, because 4443231423 - 2¹ = 4443231421 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 (4443231421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740538568 + ... + 740538573.

It is an arithmetic number, because the mean of its divisors is an integer number (1481077142).

Almost surely, 2^4443231423 is an apocalyptic number.

4443231423 is a deficient number, since it is larger than the sum of its proper divisors (1481077145).

4443231423 is a wasteful number, since it uses less digits than its factorization.

4443231423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481077144.

The product of its digits is 27648, while the sum is 30.

The square root of 4443231423 is about 66657.5683849929. The cubic root of 4443231423 is about 1643.9917908701.

Adding to 4443231423 its reverse (3241323444), we get a palindrome (7684554867).

It can be divided in two parts, 44432 and 31423, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 4443231423 in words is "four billion, four hundred forty-three million, two hundred thirty-one thousand, four hundred twenty-three".