198123363 has 12 divisors (see below), whose sum is σ = 288100800. Its totient is φ = 131194896.

The previous prime is 198123353. The next prime is 198123391. The reversal of 198123363 is 363321891.

It is not a de Polignac number, because 198123363 - 2¹⁰ = 198122339 is a prime.

It is a super-3 number, since 3×198123363³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (198123313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72531 + ... + 75212.

It is an arithmetic number, because the mean of its divisors is an integer number (24008400).

Almost surely, 2^198123363 is an apocalyptic number.

198123363 is a deficient number, since it is larger than the sum of its proper divisors (89977437).

198123363 is a wasteful number, since it uses less digits than its factorization.

198123363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147898 (or 147895 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 198123363 is about 14075.6301102295. The cubic root of 198123363 is about 582.9686900581.

The spelling of 198123363 in words is "one hundred ninety-eight million, one hundred twenty-three thousand, three hundred sixty-three".