4044423 has 8 divisors (see below), whose sum is σ = 5403136. Its totient is φ = 2691000.

The previous prime is 4044421. The next prime is 4044431. The reversal of 4044423 is 3244404.

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

It is not a de Polignac number, because 4044423 - 2¹ = 4044421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4044423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (675392).

Almost surely, 2^4044423 is an apocalyptic number.

4044423 is a deficient number, since it is larger than the sum of its proper divisors (1358713).

4044423 is a wasteful number, since it uses less digits than its factorization.

4044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4044423 is about 2011.0750856196. The cubic root of 4044423 is about 159.3255857572.

Adding to 4044423 its reverse (3244404), we get a palindrome (7288827).

The spelling of 4044423 in words is "four million, forty-four thousand, four hundred twenty-three".