To determine the type of number that results from the sum of \( 23 \) and \( \sqrt{25} \):
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Calculate \( \sqrt{25} \): \[ \sqrt{25} = 5 \]
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Now calculate the sum: \[ 23 + 5 = 28 \]
The resulting number, \( 28 \), is a whole number.
Thus, the type of number described is a whole number, which corresponds to Option #3.