Is 1323 a deficient number and what is its deficiency?

Is 1323 a deficient number?

Here we will explain and calculate if 1323 is a deficient number and its deficiency if applicable.

1323 is a deficient number if the sum of its proper divisors is less than 1323.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 21 + 27 + 49 + 63 + 147 + 189 + 441 = 957.

957 is less than 1323. Therefore, 1323 is a deficient number.

The deficiency of 1323 is 1323 minus the sum of its proper divisors. Thus, the deficiency of 1323 is 1323 - 957 = 366

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