423198400 has 84 divisors (see below), whose sum is σ = 1096218280. Its totient is φ = 160358400.

The previous prime is 423198397. The next prime is 423198437. The reversal of 423198400 is 4891324.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23440 + ... + 37360.

Almost surely, 2^423198400 is an apocalyptic number.

423198400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423198400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548109140).

423198400 is an abundant number, since it is smaller than the sum of its proper divisors (673019880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423198400 is a wasteful number, since it uses less digits than its factorization.

423198400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13962 (or 13947 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 423198400 is about 20571.7865048226. The cubic root of 423198400 is about 750.7834184262.

The spelling of 423198400 in words is "four hundred twenty-three million, one hundred ninety-eight thousand, four hundred".