Prime Curios!: 1223

1223
(another Prime Pages' Curiosity)

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The smallest prime (emirp) formed from a Pythagorean quadruple (1-2-2-3). It is also a left-truncatable prime. [Loungrides]

The smallest prime concatenating the sequence of the number of divisors of n, in this case for n = 1, 2, 3, 4. [Post]

(There are 4 curios for this number that have not yet been approved by an editor.)