423198223 has 8 divisors (see below), whose sum is σ = 485202848. Its totient is φ = 361580544.

The previous prime is 423198203. The next prime is 423198227. The reversal of 423198223 is 322891324.

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 a de Polignac number, because none of the positive numbers 2^k-423198223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423198227) 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, 94386 + ... + 98767.

It is an arithmetic number, because the mean of its divisors is an integer number (60650356).

Almost surely, 2^423198223 is an apocalyptic number.

423198223 is a deficient number, since it is larger than the sum of its proper divisors (62004625).

423198223 is a wasteful number, since it uses less digits than its factorization.

423198223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193473.

The product of its digits is 20736, while the sum is 34.

The square root of 423198223 is about 20571.7822028136. The cubic root of 423198223 is about 750.7833137561.

The spelling of 423198223 in words is "four hundred twenty-three million, one hundred ninety-eight thousand, two hundred twenty-three".