206453223 has 6 divisors (see below), whose sum is σ = 298210224. Its totient is φ = 137635476.

The previous prime is 206453209. The next prime is 206453227. The reversal of 206453223 is 322354602.

206453223 is a `hidden beast` number, since 206 + 453 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 206453223 - 2⁴ = 206453207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206453227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11469615 + ... + 11469632.

It is an arithmetic number, because the mean of its divisors is an integer number (49701704).

Almost surely, 2^206453223 is an apocalyptic number.

206453223 is a deficient number, since it is larger than the sum of its proper divisors (91757001).

206453223 is a wasteful number, since it uses less digits than its factorization.

206453223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22939253 (or 22939250 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 206453223 is about 14368.4801910293. The cubic root of 206453223 is about 591.0268653990.

The spelling of 206453223 in words is "two hundred six million, four hundred fifty-three thousand, two hundred twenty-three".