This number is a prime.
The least distinct-digit emirp such that the sum of its digits is a perfect number. [Loungrides]
The largest prime number with distinct digits in Spanish alphabetical descending order (Uno, Tres, Siete, Ocho, Nueve). [Rivera]
13789 is the first of 39 five-digit primes, whose permutations of their digits produces 39 primes. 23957 is
the first of 33 five-digit primes, whose permutations of their digits produces 33 primes. These are the only two five-digit prime groups with this property. [Goins]
(There is one curio for this number that has not yet been approved by an editor.)
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