805180223 has 4 divisors (see below), whose sum is σ = 805304088. Its totient is φ = 805056360.

The previous prime is 805180217. The next prime is 805180237. The reversal of 805180223 is 322081508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805180223 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 (805180213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51608 + ... + 65373.

It is an arithmetic number, because the mean of its divisors is an integer number (201326022).

Almost surely, 2^805180223 is an apocalyptic number.

805180223 is a deficient number, since it is larger than the sum of its proper divisors (123865).

805180223 is a wasteful number, since it uses less digits than its factorization.

805180223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123864.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 805180223 is about 28375.6977535355. The cubic root of 805180223 is about 930.3171627995.

The spelling of 805180223 in words is "eight hundred five million, one hundred eighty thousand, two hundred twenty-three".