198377423 has 8 divisors (see below), whose sum is σ = 208965120. Its totient is φ = 187804440.

The previous prime is 198377407. The next prime is 198377441. The reversal of 198377423 is 324773891.

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 198377423 - 2⁴ = 198377407 is a prime.

It is a super-2 number, since 2×198377423² = 78707203912241858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198377723) 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, 33986 + ... + 39392.

It is an arithmetic number, because the mean of its divisors is an integer number (26120640).

Almost surely, 2^198377423 is an apocalyptic number.

198377423 is a deficient number, since it is larger than the sum of its proper divisors (10587697).

198377423 is a wasteful number, since it uses less digits than its factorization.

198377423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357.

The product of its digits is 254016, while the sum is 44.

The square root of 198377423 is about 14084.6520368804. The cubic root of 198377423 is about 583.2177701596.

The spelling of 198377423 in words is "one hundred ninety-eight million, three hundred seventy-seven thousand, four hundred twenty-three".