4320223 has 2 divisors, whose sum is σ = 4320224. Its totient is φ = 4320222.

The previous prime is 4320187. The next prime is 4320241. The reversal of 4320223 is 3220234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4320197 and 4320206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4380223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160111 + 2160112.

It is an arithmetic number, because the mean of its divisors is an integer number (2160112).

Almost surely, 2^4320223 is an apocalyptic number.

4320223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320223 is an equidigital number, since it uses as much as digits as its factorization.

4320223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4320223 is about 2078.5146138529. The cubic root of 4320223 is about 162.8678593323.

Adding to 4320223 its reverse (3220234), we get a palindrome (7540457).

The spelling of 4320223 in words is "four million, three hundred twenty thousand, two hundred twenty-three".