423823198 has 8 divisors (see below), whose sum is σ = 636643800. Its totient is φ = 211608600.

The previous prime is 423823189. The next prime is 423823201. The reversal of 423823198 is 891328324.

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

It is a super-2 number, since 2×423823198² = 359252206325894408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423823198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149748 + ... + 152551.

It is an arithmetic number, because the mean of its divisors is an integer number (79580475).

Almost surely, 2^423823198 is an apocalyptic number.

423823198 is a deficient number, since it is larger than the sum of its proper divisors (212820602).

423823198 is a wasteful number, since it uses less digits than its factorization.

423823198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303002.

The product of its digits is 82944, while the sum is 40.

The square root of 423823198 is about 20586.9667022609. The cubic root of 423823198 is about 751.1527151265.

The spelling of 423823198 in words is "four hundred twenty-three million, eight hundred twenty-three thousand, one hundred ninety-eight".