1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '23647)' at line 9
in:
[select count(p.products_id) as total FROM products p LEFT JOIN manufacturers m ON (p.manufacturers_id = m.manufacturers_id), products_description pd WHERE p.products_status = 1 AND p.products_id = pd.products_id AND pd.language_id = 1 AND p.products_id IN(11393,12053,12060,12071,12072,12073,12769,12774,12783,12784,12785,12786,12787,13003,13028,12074,13590,18450,18983,20123,,23647)]