206880223 has 16 divisors (see below), whose sum is σ = 229570560. Its totient is φ = 184860000.

The previous prime is 206880217. The next prime is 206880251. The reversal of 206880223 is 322088602.

It is a de Polignac number, because none of the positive numbers 2^k-206880223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206883223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275098 + ... + 275848.

It is an arithmetic number, because the mean of its divisors is an integer number (14348160).

Almost surely, 2^206880223 is an apocalyptic number.

206880223 is a deficient number, since it is larger than the sum of its proper divisors (22690337).

206880223 is a wasteful number, since it uses less digits than its factorization.

206880223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 206880223 is about 14383.3314291231. The cubic root of 206880223 is about 591.4340515551.

The spelling of 206880223 in words is "two hundred six million, eight hundred eighty thousand, two hundred twenty-three".