National Rural Utilities Cooper (NRUC) 424B3 Prospectus supplement

Rule 424 (b) (3)

Registration No. 333-263864

U.S. $20,000,000,000.00

National Rural Utilities ("CFC")

VARIABLE DENOMINATION FLOATING

RATE DEMAND NOTES

Pricing Supplement No. 65 Dated July 28, 2023

TO PROSPECTUS Dated March 25, 2022

  Interest    Rate:   4.600% per annum                   

                            Rates will be set daily. Eligible Investor[1] will purchase a Variable Rate Note, containing a promise

                            from CFC to repay the note plus interest upon the receipt of a Redemption Notice from the Eligible

                            Investor.

    Period  Beginning:     July 28, 2023                      

                             [1] Generally CFC members and other rural utilities which have been determined to satisfy federal and

                             state eligibility criteria.