B173 is a standard SAP Table which is used to store Company Code/Payer data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The B173 table consists of various fields, each holding specific information or linking keys about Company Code/Payer data available in SAP. These include KAPPL (Application), KSCHL (Output Type), BUKRS (Company Code), KUNRG (Payer)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .