4223843 has 16 divisors (see below), whose sum is σ = 4816896. Its totient is φ = 3676320.

The previous prime is 4223839. The next prime is 4223873. The reversal of 4223843 is 3483224.

It is a cyclic number.

It is not a de Polignac number, because 4223843 - 2² = 4223839 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18830 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (301056).

Almost surely, 2^4223843 is an apocalyptic number.

4223843 is a deficient number, since it is larger than the sum of its proper divisors (593053).

4223843 is a wasteful number, since it uses less digits than its factorization.

4223843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 4608, while the sum is 26.

The square root of 4223843 is about 2055.1990171271. The cubic root of 4223843 is about 161.6475980391.

The spelling of 4223843 in words is "four million, two hundred twenty-three thousand, eight hundred forty-three".