180117223 has 32 divisors (see below), whose sum is σ = 223985664. Its totient is φ = 142560000.

The previous prime is 180117211. The next prime is 180117241. The reversal of 180117223 is 322711081.

It is a happy number.

It is not a de Polignac number, because 180117223 - 2⁹ = 180116711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180117253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181258 + ... + 182248.

It is an arithmetic number, because the mean of its divisors is an integer number (6999552).

Almost surely, 2^180117223 is an apocalyptic number.

180117223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

180117223 is a deficient number, since it is larger than the sum of its proper divisors (43868441).

180117223 is a wasteful number, since it uses less digits than its factorization.

180117223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 180117223 is about 13420.7757972481. The cubic root of 180117223 is about 564.7441585828.

The spelling of 180117223 in words is "one hundred eighty million, one hundred seventeen thousand, two hundred twenty-three".