Since 67 is a prime number, there are only 2 integer results we can have: 1 and 67.
To get 67, the denominator should be 1.
2x - 23 = 1
2x = 24
x=12
To get 1 as the integer result, the denominator should be 67.
2x - 23 = 67
2x = 90
x = 45
12 + 45 = 57