4223943 has 12 divisors (see below), whose sum is σ = 6250608. Its totient is φ = 2747040.

The previous prime is 4223911. The next prime is 4223959. The reversal of 4223943 is 3493224.

It is a happy number.

It is not a de Polignac number, because 4223943 - 2⁵ = 4223911 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 2 + 2¹³ + 3⁶ + 9 + 4¹¹ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5355 + ... + 6092.

It is an arithmetic number, because the mean of its divisors is an integer number (520884).

Almost surely, 2^4223943 is an apocalyptic number.

4223943 is a deficient number, since it is larger than the sum of its proper divisors (2026665).

4223943 is a wasteful number, since it uses less digits than its factorization.

4223943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494 (or 11491 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4223943 is about 2055.2233455272. The cubic root of 4223943 is about 161.6488737046.

The spelling of 4223943 in words is "four million, two hundred twenty-three thousand, nine hundred forty-three".