984770123 has 2 divisors, whose sum is σ = 984770124. Its totient is φ = 984770122.

The previous prime is 984770089. The next prime is 984770141. The reversal of 984770123 is 321077489.

It is a strong prime.

It is an emirp because it is prime and its reverse (321077489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984770123 is a prime.

It is not a weakly prime, because it can be changed into another prime (984770173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492385061 + 492385062.

It is an arithmetic number, because the mean of its divisors is an integer number (492385062).

Almost surely, 2^984770123 is an apocalyptic number.

984770123 is a deficient number, since it is larger than the sum of its proper divisors (1).

984770123 is an equidigital number, since it uses as much as digits as its factorization.

984770123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 984770123 is about 31381.0471941266. The cubic root of 984770123 is about 994.8973819071.

The spelling of 984770123 in words is "nine hundred eighty-four million, seven hundred seventy thousand, one hundred twenty-three".