205342223 has 2 divisors, whose sum is σ = 205342224. Its totient is φ = 205342222.

The previous prime is 205342213. The next prime is 205342237. The reversal of 205342223 is 322243502.

205342223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205342223 - 2¹⁸ = 205080079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205342213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102671111 + 102671112.

It is an arithmetic number, because the mean of its divisors is an integer number (102671112).

Almost surely, 2^205342223 is an apocalyptic number.

205342223 is a deficient number, since it is larger than the sum of its proper divisors (1).

205342223 is an equidigital number, since it uses as much as digits as its factorization.

205342223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 205342223 is about 14329.7670253218. The cubic root of 205342223 is about 589.9647810060.

Adding to 205342223 its reverse (322243502), we get a palindrome (527585725).

The spelling of 205342223 in words is "two hundred five million, three hundred forty-two thousand, two hundred twenty-three".