I think you're getting bogged down in a very popular philosophical quagmire, which I feel is not a very useful place to linger. But, I can share a few landmarks I remember from past slogs.
At a rhetorical level: Don't fixate on what math can or cannot describe. In the past, it could not describe states of matter, though they certainly existed. Now, we can describe and simulate such states pretty well. But describing, detecting, or simulating does not mean recreating. I don't think any of us currently "know" whether consciousness will be better described, detected, or simulated in the future.
At an introspective level: When pondering the "experience of being me", don't forget to question the identity concept "me" as much as the experience part... Consider altered states of consciousness through drugs, disease, or brain injury. It can really expand your view here to empathize with someone who suffers one or more of these issues, where you can consider their illusory identity and experience.