apple ipad 9.7 (2017) Version A1823

The A1823 model number corresponds with a fifth generation iPad (a.k.a. IPad5). The iPad5 does not support Apple Pencil - as this and other older models of iPad lack the screen hardware with which an Apple Pencil interacts with the iPad.

Here is Apple’s definitive compatibility list for Apple Pencil and iPad:

Apple Pencil compatibility - Apple Support

If you have the 5th generation iPad from 2017 there is no Apple Pencil compatibility

Yes. First though, not second. Apple Pencil - Apple