Enter your 1099-R as reported, and this will not be taxable with Code 2.
You will come to a question asking if you 'tracked non-deductible contributions', say Yes and enter your IRA basis as of 12/31/2021 (last Form 8606 filed).
Then enter your Basis as of 12/31/2022 (which may be $0 if you indicated you converted your 2022 6K contribution to Roth, and 23K was the 2021 basis).
Basically you are trying to get the conversion of 23K to show on Form 8606 and the correct Basis showing for your Non-Deductible IRAs. No tax impact.
If you're using TurboTax Desktop, you can make your entries directly on Form 8606 in Forms mode.
Here's more info on Form 8606.
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