984112123 has 2 divisors, whose sum is σ = 984112124. Its totient is φ = 984112122.

The previous prime is 984112117. The next prime is 984112193. The reversal of 984112123 is 321211489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 984112123 - 2⁵ = 984112091 is a prime.

It is not a weakly prime, because it can be changed into another prime (984112193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492056061 + 492056062.

It is an arithmetic number, because the mean of its divisors is an integer number (492056062).

Almost surely, 2^984112123 is an apocalyptic number.

984112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

984112123 is an equidigital number, since it uses as much as digits as its factorization.

984112123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 984112123 is about 31370.5614071537. The cubic root of 984112123 is about 994.6757436040.

The spelling of 984112123 in words is "nine hundred eighty-four million, one hundred twelve thousand, one hundred twenty-three".