8 to the 23rd power = 590,295,810,358,705,651,712
13, 23, 43, 53, 73 & 83
10+.23
23
20 + 3
23 = (2 x 10) + (3 x 1)
23 and 29
Ah, isn't that a happy little question! A 23-digit number is called a "23-digit number." Just like every color has its place on the palette, every number has its place in the world of mathematics. It's a unique part of the numerical landscape, waiting to bring joy and curiosity to those who encounter it.
The sum of 7 times the last digit and the rest of the number is a multiple of 23
3 13 23
213.23 in expanded form
23
-23