EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form No. 33-55336), pertaining to Republic Bancorp Inc. Tax-Deferred Savings Plan and Trust of our report dated June 18, 2001 with respect to the financial statements and schedules of the Republic Bancorp Inc. Tax-Deferred Savings Plan and Trust included in this annual report (Form 11-K) for the year ended December 31, 2000. /s/ Ernst & Young LLP Detroit, Michigan June 21, 2001