Yes I have those printed and stored securely, and also my landline set as a backup phone number, but that doesn't really help alleviate my concern of "what happ

Yes I have those printed and stored securely, and also my landline set as a backup phone number, but that doesn't really help alleviate my concern of "what happens if I'm abroad and no longer have access to my phone". I guess keeping the codes with my at all times would work, but doesn't seem like that great an option (paper is easy to lose and easy to destroy). Maybe I should memorize some of them?