208206343 has 2 divisors, whose sum is σ = 208206344. Its totient is φ = 208206342.

The previous prime is 208206331. The next prime is 208206367. The reversal of 208206343 is 343602802.

208206343 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 208206343 - 2⁵ = 208206311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208206643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104103171 + 104103172.

It is an arithmetic number, because the mean of its divisors is an integer number (104103172).

Almost surely, 2^208206343 is an apocalyptic number.

208206343 is a deficient number, since it is larger than the sum of its proper divisors (1).

208206343 is an equidigital number, since it uses as much as digits as its factorization.

208206343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 208206343 is about 14429.3569849803. The cubic root of 208206343 is about 592.6950753153.

The spelling of 208206343 in words is "two hundred eight million, two hundred six thousand, three hundred forty-three".