Is 2123 a deficient number and what is its deficiency?

Is 2123 a deficient number?

Here we will explain and calculate if 2123 is a deficient number and its deficiency if applicable.

2123 is a deficient number if the sum of its proper divisors is less than 2123.

The sum of its proper divisors is calculated as follows: 1 + 11 + 193 = 205.

205 is less than 2123. Therefore, 2123 is a deficient number.

The deficiency of 2123 is 2123 minus the sum of its proper divisors. Thus, the deficiency of 2123 is 2123 - 205 = 1918

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