This number is a prime.
5*7*13*19 - 2*3*11*17 = 7523, written with the first consecutive primes on the left of the equation and a prime (emirp) with only prime digits on the right. [Capelle]
The smallest Honaker prime with all the prime digits: 7523 is the 953rd prime and 7 + 5 + 2 + 3 = 9 + 5 + 3. Note that the latter sum 17 and the concatenation 7523953 are also primes, as are the reversals 3257, 359, 71. [Beedassy]
The only prime q of form q=4p+7, consisting of distinct prime digits, with p being also an emirp with distinct digits, (p=1879), of the same form, 4*n+7, (n=468). [Loungrides]
There is only one prime of form (7x+5)/(2x+3). [Loungrides]
The largest prime with distinct prime digits that always yields a prime when its each digit d is placed into the function 2^d-1. [Bajpai]
The only distinct-digit prime-digit balanced prime (emirp) consisting of all the prime digits. [Loungrides]