206055155223 has 6 divisors (see below), whose sum is σ = 297635224224. Its totient is φ = 137370103476.

The previous prime is 206055155219. The next prime is 206055155231. The reversal of 206055155223 is 322551550602.

206055155223 is a `hidden beast` number, since 20 + 60 + 5 + 5 + 1 + 552 + 23 = 666.

It is not a de Polignac number, because 206055155223 - 2² = 206055155219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206055155263) 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, 11447508615 + ... + 11447508632.

It is an arithmetic number, because the mean of its divisors is an integer number (49605870704).

Almost surely, 2^206055155223 is an apocalyptic number.

206055155223 is a deficient number, since it is larger than the sum of its proper divisors (91580069001).

206055155223 is a wasteful number, since it uses less digits than its factorization.

206055155223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895017253 (or 22895017250 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 206055155223 in words is "two hundred six billion, fifty-five million, one hundred fifty-five thousand, two hundred twenty-three".