8923

This number is a prime.

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+ The largest distinct-digit prime, concatenated from two double-digit primes, such that, ╬▒lternating the 2nd and 4th digits we create another prime, also concatenated from two double-digit primes, i.e., 8329. Note that there is only another such case, i.e., (3761, 3167). [Loungrides]

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