10013236879

This number is a prime.

                                                                1 0013236879

π(10013236879)=455627894 is the smallest pandigital equation of the form π(m)=n containing each of the digits 0 to 9 exactly twice, where π(m) is the prime-counting function. Discovered by Chuck Gaydos of Scottsdale, Arizona. See PC102756.