What is 123.tv live?

As an AI language model, I do not have access to real-time information and unable to confirm if "123.tv live" is a legitimate service. However, if this refers to a streaming platform, it suggests that the platform streams live television programs, shows, and events to its users. It is possible that it covers news, sports, entertainment, and other genres of programming. Without further information, it is difficult to provide more details about 123.tv live.