198044923 has 8 divisors (see below), whose sum is σ = 208757520. Its totient is φ = 187361280.

The previous prime is 198044921. The next prime is 198044929. The reversal of 198044923 is 329440891.

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

It is not a de Polignac number, because 198044923 - 2¹ = 198044921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198044921) 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, 7611 + ... + 21307.

It is an arithmetic number, because the mean of its divisors is an integer number (26094690).

Almost surely, 2^198044923 is an apocalyptic number.

198044923 is a deficient number, since it is larger than the sum of its proper divisors (10712597).

198044923 is a wasteful number, since it uses less digits than its factorization.

198044923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 198044923 is about 14072.8434582354. The cubic root of 198044923 is about 582.8917445640.

The spelling of 198044923 in words is "one hundred ninety-eight million, forty-four thousand, nine hundred twenty-three".