This number is a composite.
The smallest possible sum of primes which are formed using all ten digits once each (i.e., 2 + 3 + 5 + 401 + 67 + 89 = 567. [Gupta]
The smallest possible sum of primes which are formed using all ten digits once each (i.e., 2 + 3 + 5 + 401 + 67 + 89 = 567. [Gupta]