10223
This number is a prime.
The smallest prime whose the concatenation of the squares
of digits creates a number (10449) whose the square is a
strobogrammatic number, 109181601=10449^2. [Loungrides]
10223*2^31172165+1 is the smallest prime of the form
10223*2^n+1 and largest known Proth prime. [Luen]
The smallest prime that can be represented as sum of first n anti-Yarborough primes, (n=3), i.e., 11+101+10111. [Loungrides]
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