423091200 has 264 divisors, whose sum is σ = 1600131712. Its totient is φ = 96583680.

The previous prime is 423091199. The next prime is 423091211. The reversal of 423091200 is 2190324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537207 + ... + 537993.

Almost surely, 2^423091200 is an apocalyptic number.

423091200 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 423091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800065856).

423091200 is an abundant number, since it is smaller than the sum of its proper divisors (1177040512).

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

423091200 is a wasteful number, since it uses less digits than its factorization.

423091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 423091200 is about 20569.1808295809. The cubic root of 423091200 is about 750.7200196522.

The spelling of 423091200 in words is "four hundred twenty-three million, ninety-one thousand, two hundred".