206326343 has 2 divisors, whose sum is σ = 206326344. Its totient is φ = 206326342.

The previous prime is 206326327. The next prime is 206326349. The reversal of 206326343 is 343623602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206326343 - 2⁴ = 206326327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206326349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103163171 + 103163172.

It is an arithmetic number, because the mean of its divisors is an integer number (103163172).

Almost surely, 2^206326343 is an apocalyptic number.

206326343 is a deficient number, since it is larger than the sum of its proper divisors (1).

206326343 is an equidigital number, since it uses as much as digits as its factorization.

206326343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 206326343 is about 14364.0642925322. The cubic root of 206326343 is about 590.9057647530.

Adding to 206326343 its reverse (343623602), we get a palindrome (549949945).

The spelling of 206326343 in words is "two hundred six million, three hundred twenty-six thousand, three hundred forty-three".