206251223 has 2 divisors, whose sum is σ = 206251224. Its totient is φ = 206251222.

The previous prime is 206251163. The next prime is 206251261. The reversal of 206251223 is 322152602.

206251223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206251223 - 2¹² = 206247127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206251523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103125611 + 103125612.

It is an arithmetic number, because the mean of its divisors is an integer number (103125612).

Almost surely, 2^206251223 is an apocalyptic number.

206251223 is a deficient number, since it is larger than the sum of its proper divisors (1).

206251223 is an equidigital number, since it uses as much as digits as its factorization.

206251223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 206251223 is about 14361.4491956766. The cubic root of 206251223 is about 590.8340430514.

The spelling of 206251223 in words is "two hundred six million, two hundred fifty-one thousand, two hundred twenty-three".