198975323 has 8 divisors (see below), whose sum is σ = 208873728. Its totient is φ = 189180904.

The previous prime is 198975281. The next prime is 198975349. The reversal of 198975323 is 323579891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198975323 - 2⁸ = 198975067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198975383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22061 + ... + 29742.

It is an arithmetic number, because the mean of its divisors is an integer number (26109216).

Almost surely, 2^198975323 is an apocalyptic number.

198975323 is a deficient number, since it is larger than the sum of its proper divisors (9898405).

198975323 is a wasteful number, since it uses less digits than its factorization.

198975323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51993.

The product of its digits is 408240, while the sum is 47.

The square root of 198975323 is about 14105.8612994741. The cubic root of 198975323 is about 583.8031125797.

The spelling of 198975323 in words is "one hundred ninety-eight million, nine hundred seventy-five thousand, three hundred twenty-three".