198714123 has 12 divisors (see below), whose sum is σ = 296291008. Its totient is φ = 128202480.

The previous prime is 198714107. The next prime is 198714133. The reversal of 198714123 is 321417891.

It is a happy number.

It is not a de Polignac number, because 198714123 - 2⁴ = 198714107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198714133) 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 in 11 ways as a sum of consecutive naturals, for example, 355840 + ... + 356397.

Almost surely, 2^198714123 is an apocalyptic number.

198714123 is a deficient number, since it is larger than the sum of its proper divisors (97576885).

198714123 is a wasteful number, since it uses less digits than its factorization.

198714123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712274 (or 712271 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 198714123 is about 14096.5996963807. The cubic root of 198714123 is about 583.5475429526.

It can be divided in two parts, 1987 and 14123, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 198714123 in words is "one hundred ninety-eight million, seven hundred fourteen thousand, one hundred twenty-three".