117730223 has 4 divisors (see below), whose sum is σ = 126786408. Its totient is φ = 108674040.

The previous prime is 117730211. The next prime is 117730231. The reversal of 117730223 is 322037711.

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-117730223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117730192 and 117730201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117730243) 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, 4528073 + ... + 4528098.

It is an arithmetic number, because the mean of its divisors is an integer number (31696602).

Almost surely, 2^117730223 is an apocalyptic number.

117730223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117730223 is a deficient number, since it is larger than the sum of its proper divisors (9056185).

117730223 is an equidigital number, since it uses as much as digits as its factorization.

117730223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056184.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 117730223 is about 10850.3558927807. The cubic root of 117730223 is about 490.1127367978.

Adding to 117730223 its reverse (322037711), we get a palindrome (439767934).

The spelling of 117730223 in words is "one hundred seventeen million, seven hundred thirty thousand, two hundred twenty-three".