Let's break down the expression:

$17 + (-34) + 5 + (-12) + (-6) + 23$

1. $17 + (-34) = -17$
2. $-17 + 5 = -12$
3. $-12 + (-12) = -24$
4. $-24 + (-6) = -30$
5. $-30 + 23 = -7$

So, the result of the expression is:

$\boxed{-7}$

Would you like further details or have any questions?

Here are five related questions for practice:

1. What is $45 + (-78) + 12 + (-23) + 9$?
2. Simplify $25 + (-11) + (-9) + 18$.
3. What is the sum of $(-16) + 24 + (-31) + 10$?
4. Evaluate $(-5) + 17 + (-19) + 33 + (-8)$.
5. Calculate $100 + (-150) + 75 + (-25)$.

Tip: When adding negative numbers, think of them as subtracting their absolute values.