Is 623 a deficient number and what is its deficiency?

Is 623 a deficient number?

Here we will explain and calculate if 623 is a deficient number and its deficiency if applicable.

623 is a deficient number if the sum of its proper divisors is less than 623.

The sum of its proper divisors is calculated as follows: 1 + 7 + 89 = 97.

97 is less than 623. Therefore, 623 is a deficient number.

The deficiency of 623 is 623 minus the sum of its proper divisors. Thus, the deficiency of 623 is 623 - 97 = 526

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