206244343 has 2 divisors, whose sum is σ = 206244344. Its totient is φ = 206244342.

The previous prime is 206244331. The next prime is 206244347. The reversal of 206244343 is 343442602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206244343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206244347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103122171 + 103122172.

It is an arithmetic number, because the mean of its divisors is an integer number (103122172).

Almost surely, 2^206244343 is an apocalyptic number.

206244343 is a deficient number, since it is larger than the sum of its proper divisors (1).

206244343 is an equidigital number, since it uses as much as digits as its factorization.

206244343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 206244343 is about 14361.2096635346. The cubic root of 206244343 is about 590.8274734202.

Adding to 206244343 its reverse (343442602), we get a palindrome (549686945).

The spelling of 206244343 in words is "two hundred six million, two hundred forty-four thousand, three hundred forty-three".