9198700123 has 2 divisors, whose sum is σ = 9198700124. Its totient is φ = 9198700122.

The previous prime is 9198700117. The next prime is 9198700151. The reversal of 9198700123 is 3210078919.

9198700123 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 an emirp because it is prime and its reverse (3210078919) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9198700123 is a prime.

It is a super-3 number, since 3×9198700123³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9198700163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4599350061 + 4599350062.

It is an arithmetic number, because the mean of its divisors is an integer number (4599350062).

Almost surely, 2^9198700123 is an apocalyptic number.

9198700123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9198700123 is an equidigital number, since it uses as much as digits as its factorization.

9198700123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9198700123 is about 95909.8541496128. The cubic root of 9198700123 is about 2095.2804156405.

The spelling of 9198700123 in words is "nine billion, one hundred ninety-eight million, seven hundred thousand, one hundred twenty-three".