865352223 has 6 divisors (see below), whose sum is σ = 1249953224. Its totient is φ = 576901476.

The previous prime is 865352221. The next prime is 865352227. The reversal of 865352223 is 322253568.

865352223 is a `hidden beast` number, since 86 + 5 + 352 + 223 = 666.

It is not a de Polignac number, because 865352223 - 2¹ = 865352221 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 (865352221) 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, 48075115 + ... + 48075132.

Almost surely, 2^865352223 is an apocalyptic number.

865352223 is a deficient number, since it is larger than the sum of its proper divisors (384601001).

865352223 is a wasteful number, since it uses less digits than its factorization.

865352223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96150253 (or 96150250 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 865352223 is about 29416.8697009046. The cubic root of 865352223 is about 952.9372518673.

The spelling of 865352223 in words is "eight hundred sixty-five million, three hundred fifty-two thousand, two hundred twenty-three".