We first arrange the numbers in ascending order to get the one in the middle.
14, 18, 19, 23, 23, 56.
Here, the middle numbers are 19 and 23.
Total number = 6,
To find the median, we sum the two middle numbers together and divide by 2:
(19 + 23) / 2 = 42/2 = 21.
So, the median is 21.