>>2321551An 8 digit number is usually a pixiv id. You can go straight to the work with
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=PutIDHere which in this case would be
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=23697382_p1 means that it's the first page of a manga. (not counting the title page) If you know it's a manga, you can do the same thing as with a single piece of art, just use
http://www.pixiv.net/member_illust.php?mode=manga&illust_id=PutIDHere instead.
Or you could just use SauceNAO.
