2163223 has 2 divisors, whose sum is σ = 2163224. Its totient is φ = 2163222.

The previous prime is 2163221. The next prime is 2163241. The reversal of 2163223 is 3223612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163223 - 2¹ = 2163221 is a prime.

Together with 2163221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2163223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081611 + 1081612.

It is an arithmetic number, because the mean of its divisors is an integer number (1081612).

2^2163223 is an apocalyptic number.

2163223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163223 is an equidigital number, since it uses as much as digits as its factorization.

2163223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 2163223 is about 1470.7899238165. The cubic root of 2163223 is about 129.3303433668.

Adding to 2163223 its reverse (3223612), we get a palindrome (5386835).

The spelling of 2163223 in words is "two million, one hundred sixty-three thousand, two hundred twenty-three".