2143223 has 2 divisors, whose sum is σ = 2143224. Its totient is φ = 2143222.

The previous prime is 2143217. The next prime is 2143231. The reversal of 2143223 is 3223412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143223 - 2⁸ = 2142967 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 4⁷ + 3 + 2¹³ + 2¹⁹ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143243) 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 as a sum of consecutive naturals, namely, 1071611 + 1071612.

It is an arithmetic number, because the mean of its divisors is an integer number (1071612).

2^2143223 is an apocalyptic number.

2143223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143223 is an equidigital number, since it uses as much as digits as its factorization.

2143223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 17.

The square root of 2143223 is about 1463.9750680937. The cubic root of 2143223 is about 128.9305356839.

Adding to 2143223 its reverse (3223412), we get a palindrome (5366635).

The spelling of 2143223 in words is "two million, one hundred forty-three thousand, two hundred twenty-three".