I believe you meant an arithmetic series. It is a series of numbers differing by a certain number from the previous number of the series. In this case, they differ by 123.
epesoide 123
1650
Prices fell. Effectively the same basket of goods cost $123 in year 1 and $117 in year two.
about 123
the next one is 1234
123 people a year
Yes, it is.
123
123
It is a score of 123. That is slightly above average, but not in the genius category.
123 pounds for 5'4 is pretty much a normal weight.