198430223 has 8 divisors (see below), whose sum is σ = 212654688. Its totient is φ = 184672224.

The previous prime is 198430213. The next prime is 198430229. The reversal of 198430223 is 322034891.

It is a happy number.

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 198430223 - 2⁴ = 198430207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198430223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198430229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115736 + ... + 117437.

It is an arithmetic number, because the mean of its divisors is an integer number (26581836).

Almost surely, 2^198430223 is an apocalyptic number.

198430223 is a deficient number, since it is larger than the sum of its proper divisors (14224465).

198430223 is a wasteful number, since it uses less digits than its factorization.

198430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233233.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 198430223 is about 14086.5262928800. The cubic root of 198430223 is about 583.2695085181.

The spelling of 198430223 in words is "one hundred ninety-eight million, four hundred thirty thousand, two hundred twenty-three".