This report documents the program and the outcomes of Dagstuhl Seminar 23401 "Automated mathematics: integrating proofs, algorithms and data". The seminar brought together system developers, library authors, and users from key branches of computer-supported mathematics: formalized mathematics, symbolic computation, and mathematical databases. We addressed issues that were common to all areas of computer-supported mathematics: library management, dependencies and interoperability between software components, quality and correctness assurances, searching for information, and usability by end users. Early on in the week, we formed working groups that worked on specific tasks, as described in this report. Each day was divided into a morning talk session and an afternoon period devoted to working in groups. To keep everyone well-informed, we gathered each day before dinner for an informal "show & tell" session.