4423213 has 4 divisors (see below), whose sum is σ = 4683420. Its totient is φ = 4163008.

The previous prime is 4423207. The next prime is 4423231. The reversal of 4423213 is 3123244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 1247689 = 1782^2 + 1117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423253) 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 3 ways as a sum of consecutive naturals, for example, 130078 + ... + 130111.

It is an arithmetic number, because the mean of its divisors is an integer number (1170855).

Almost surely, 2^4423213 is an apocalyptic number.

It is an amenable number.

4423213 is a deficient number, since it is larger than the sum of its proper divisors (260207).

4423213 is a wasteful number, since it uses less digits than its factorization.

4423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260206.

The product of its digits is 576, while the sum is 19.

The square root of 4423213 is about 2103.1435994720. The cubic root of 4423213 is about 164.1519140662.

Adding to 4423213 its reverse (3123244), we get a palindrome (7546457).

It can be divided in two parts, 442 and 3213, that added together give a triangular number (3655 = T₈₅).

The spelling of 4423213 in words is "four million, four hundred twenty-three thousand, two hundred thirteen".