The same or similar observations meet us here as were offered before. Enchantments were what Balaam used when he left Balak under pretence of enquiring of the LORD. See Numbers 24:1. There are several other scriptures which will help to throw a light upon this. See Ezekiel 14:1-11; Job 12:16; Isaiah 44:25-28.
Related Commentaries of Numbers 23:16
Numbers 23:16-17
16 And the LORD met Balaam, and put a word in his mouth, and said, Go again unto Balak, and say thus.
17 And when he came to him, behold, he stood by his burnt offering, and the princes of Moab with him. And Balak said unto him, What hath the LORD spoken?