There are differences, but also connections:

The application (patent) number is the number after the patent application is accepted. It is called the application number before authorization, and the authorization number is called the patent number

Publication (announcement) number refers to the number after the invention patent has passed the preliminary examination and is published, country number + classification number + serial number + identification code”

Authorization (announcement) number refers to the patent authorization announcement The number at the time, if it is an invention patent, is different from the public number, which is generally just an identification code