418243223 has 2 divisors, whose sum is σ = 418243224. Its totient is φ = 418243222.

The previous prime is 418243213. The next prime is 418243229. The reversal of 418243223 is 322342814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 418243223 - 2¹⁰ = 418242199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418243229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209121611 + 209121612.

It is an arithmetic number, because the mean of its divisors is an integer number (209121612).

Almost surely, 2^418243223 is an apocalyptic number.

418243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

418243223 is an equidigital number, since it uses as much as digits as its factorization.

418243223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 29.

The square root of 418243223 is about 20450.9956481341. The cubic root of 418243223 is about 747.8416303979.

The spelling of 418243223 in words is "four hundred eighteen million, two hundred forty-three thousand, two hundred twenty-three".