4340223 has 24 divisors (see below), whose sum is σ = 6643728. Its totient is φ = 2830464.

The previous prime is 4340207. The next prime is 4340233. The reversal of 4340223 is 3220434.

It is not a de Polignac number, because 4340223 - 2⁴ = 4340207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4340196 and 4340205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12711 + ... + 13047.

It is an arithmetic number, because the mean of its divisors is an integer number (276822).

Almost surely, 2^4340223 is an apocalyptic number.

4340223 is a deficient number, since it is larger than the sum of its proper divisors (2303505).

4340223 is an equidigital number, since it uses as much as digits as its factorization.

4340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4340223 is about 2083.3201866252. The cubic root of 4340223 is about 163.1187988130.

Adding to 4340223 its reverse (3220434), we get a palindrome (7560657).

The spelling of 4340223 in words is "four million, three hundred forty thousand, two hundred twenty-three".