4223 has 4 divisors (see below), whose sum is σ = 4368. Its totient is φ = 4080.

The previous prime is 4219. The next prime is 4229. The reversal of 4223 is 3224.

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

It is a cyclic number.

It is not a de Polignac number, because 4223 - 2² = 4219 is a prime.

It is a Kynea number, being equal to (2⁶ + 1)² - 2.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 92.

It is an arithmetic number, because the mean of its divisors is an integer number (1092).

2⁴²²³ is an apocalyptic number.

4223 is a deficient number, since it is larger than the sum of its proper divisors (145).

4223 is a wasteful number, since it uses less digits than its factorization.

4223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 48, while the sum is 11.

The square root of 4223 is about 64.9846135635. The cubic root of 4223 is about 16.1636843379.

Adding to 4223 its reverse (3224), we get a palindrome (7447).

Subtracting from 4223 its reverse (3224), we obtain a palindrome (999).

The spelling of 4223 in words is "four thousand, two hundred twenty-three", and thus it is an iban number.