117723173 has 4 divisors (see below), whose sum is σ = 117775680. Its totient is φ = 117670668.

The previous prime is 117723167. The next prime is 117723191. The reversal of 117723173 is 371327711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371327711 = 439 ⋅845849.

It is a cyclic number.

It is not a de Polignac number, because 117723173 - 2⁴ = 117723157 is a prime.

It is a super-2 number, since 2×117723173² = 27717490922375858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117723103) 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, 22733 + ... + 27426.

It is an arithmetic number, because the mean of its divisors is an integer number (29443920).

Almost surely, 2^117723173 is an apocalyptic number.

It is an amenable number.

117723173 is a deficient number, since it is larger than the sum of its proper divisors (52507).

117723173 is an equidigital number, since it uses as much as digits as its factorization.

117723173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52506.

The product of its digits is 6174, while the sum is 32.

The square root of 117723173 is about 10850.0310137806. The cubic root of 117723173 is about 490.1029535162.

The spelling of 117723173 in words is "one hundred seventeen million, seven hundred twenty-three thousand, one hundred seventy-three".