8123123 has 2 divisors, whose sum is σ = 8123124. Its totient is φ = 8123122.

The previous prime is 8123083. The next prime is 8123183. The reversal of 8123123 is 3213218.

8123123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8123123 - 2¹⁰ = 8122099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8123095 and 8123104.

It is not a weakly prime, because it can be changed into another prime (8123183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061561 + 4061562.

It is an arithmetic number, because the mean of its divisors is an integer number (4061562).

Almost surely, 2^8123123 is an apocalyptic number.

8123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8123123 is an equidigital number, since it uses as much as digits as its factorization.

8123123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 8123123 is about 2850.1092961499. The cubic root of 8123123 is about 201.0208059121.

The spelling of 8123123 in words is "eight million, one hundred twenty-three thousand, one hundred twenty-three".