180803823 has 16 divisors (see below), whose sum is σ = 255763296. Its totient is φ = 113218560.

The previous prime is 180803807. The next prime is 180803879. The reversal of 180803823 is 328308081.

It is not a de Polignac number, because 180803823 - 2⁴ = 180803807 is a prime.

It is a super-2 number, since 2×180803823² = 65380044822830658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180801823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24315 + ... + 30867.

It is an arithmetic number, because the mean of its divisors is an integer number (15985206).

Almost surely, 2^180803823 is an apocalyptic number.

180803823 is a deficient number, since it is larger than the sum of its proper divisors (74959473).

180803823 is a wasteful number, since it uses less digits than its factorization.

180803823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 180803823 is about 13446.3312096646. The cubic root of 180803823 is about 565.4608431088.

The spelling of 180803823 in words is "one hundred eighty million, eight hundred three thousand, eight hundred twenty-three".