4443423 has 8 divisors (see below), whose sum is σ = 6021936. Its totient is φ = 2913600.

The previous prime is 4443421. The next prime is 4443431. The reversal of 4443423 is 3243444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4443423 - 2¹ = 4443421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4443393 and 4443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11958 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (752742).

Almost surely, 2^4443423 is an apocalyptic number.

4443423 is a deficient number, since it is larger than the sum of its proper divisors (1578513).

4443423 is a wasteful number, since it uses less digits than its factorization.

4443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24345.

The product of its digits is 4608, while the sum is 24.

The square root of 4443423 is about 2107.9428360371. The cubic root of 4443423 is about 164.4015418305.

Adding to 4443423 its reverse (3243444), we get a palindrome (7686867).

The spelling of 4443423 in words is "four million, four hundred forty-three thousand, four hundred twenty-three".