9907123 has 2 divisors, whose sum is σ = 9907124. Its totient is φ = 9907122.

The previous prime is 9907109. The next prime is 9907147. The reversal of 9907123 is 3217099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9907123 - 2⁵ = 9907091 is a prime.

It is a super-2 number, since 2×9907123² = 196302172274258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9907423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4953561 + 4953562.

It is an arithmetic number, because the mean of its divisors is an integer number (4953562).

Almost surely, 2^9907123 is an apocalyptic number.

9907123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9907123 is an equidigital number, since it uses as much as digits as its factorization.

9907123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9907123 is about 3147.5582599850. The cubic root of 9907123 is about 214.7744019076.

The spelling of 9907123 in words is "nine million, nine hundred seven thousand, one hundred twenty-three".