9908123 has 2 divisors, whose sum is σ = 9908124. Its totient is φ = 9908122.

The previous prime is 9908099. The next prime is 9908203. The reversal of 9908123 is 3218099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9908123 - 2⁸ = 9907867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9908123.

It is not a weakly prime, because it can be changed into another prime (9905123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954061 + 4954062.

It is an arithmetic number, because the mean of its divisors is an integer number (4954062).

Almost surely, 2^9908123 is an apocalyptic number.

9908123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9908123 is an equidigital number, since it uses as much as digits as its factorization.

9908123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9908123 is about 3147.7171092714. The cubic root of 9908123 is about 214.7816279265.

The spelling of 9908123 in words is "nine million, nine hundred eight thousand, one hundred twenty-three".