208369223 has 2 divisors, whose sum is σ = 208369224. Its totient is φ = 208369222.

The previous prime is 208369211. The next prime is 208369241. The reversal of 208369223 is 322963802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208369223 - 2⁶ = 208369159 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 (208369253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104184611 + 104184612.

It is an arithmetic number, because the mean of its divisors is an integer number (104184612).

Almost surely, 2^208369223 is an apocalyptic number.

208369223 is a deficient number, since it is larger than the sum of its proper divisors (1).

208369223 is an equidigital number, since it uses as much as digits as its factorization.

208369223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 208369223 is about 14434.9999307239. Note that the first 4 decimals coincide. The cubic root of 208369223 is about 592.8495903178.

The spelling of 208369223 in words is "two hundred eight million, three hundred sixty-nine thousand, two hundred twenty-three".