823 (DCCCXXIII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bone ngwagengsome wa 820s, ngwaga wa bomasomepedi tharo ngwagengkgolo wa Ngwagakgolo 9, le ngwaga wa bomakgolo seswai masomepedi tharo ngwagengkete wa Ngwagakete 1.