Based on your request, "23 mp4" most likely refers to one of the following, depending on the context:
did you see this filename (e.g., a specific website, YouTube, a downloaded file)? 23 mp4
A video submitted by Hamza Ibrahim detailing the severe, 23-day-long electricity cuts, lack of food, and communication blackouts in Gaza, recorded in late 2023. Based on your request, "23 mp4" most likely
A file named "23.mp4" or similar (e.g., "EM-23.mp4") is often used in website image/video galleries or stock footage collections. To give you the exact content you need, could you provide: Based on your request
A 2014 video file set related to Athletics and American Sign Language, cataloged on Fulcrum.org .