9982123 has 2 divisors, whose sum is σ = 9982124. Its totient is φ = 9982122.

The previous prime is 9982117. The next prime is 9982127. The reversal of 9982123 is 3212899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9982123 - 2⁹ = 9981611 is a prime.

It is not a weakly prime, because it can be changed into another prime (9982127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991061 + 4991062.

It is an arithmetic number, because the mean of its divisors is an integer number (4991062).

Almost surely, 2^9982123 is an apocalyptic number.

9982123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982123 is an equidigital number, since it uses as much as digits as its factorization.

9982123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 9982123 is about 3159.4497938723. The cubic root of 9982123 is about 215.3150096606.

Adding to 9982123 its product of digits (7776), we get a palindrome (9989899).

The spelling of 9982123 in words is "nine million, nine hundred eighty-two thousand, one hundred twenty-three".