208066223 has 2 divisors, whose sum is σ = 208066224. Its totient is φ = 208066222.

The previous prime is 208066193. The next prime is 208066231. The reversal of 208066223 is 322660802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208066223 - 2⁸ = 208065967 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 (208062223) 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, 104033111 + 104033112.

It is an arithmetic number, because the mean of its divisors is an integer number (104033112).

Almost surely, 2^208066223 is an apocalyptic number.

208066223 is a deficient number, since it is larger than the sum of its proper divisors (1).

208066223 is an equidigital number, since it uses as much as digits as its factorization.

208066223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 208066223 is about 14424.5007885888. The cubic root of 208066223 is about 592.5620869380.

The spelling of 208066223 in words is "two hundred eight million, sixty-six thousand, two hundred twenty-three".