423838800 has 540 divisors, whose sum is σ = 1860957280. Its totient is φ = 87436800.

The previous prime is 423838769. The next prime is 423838813. The reversal of 423838800 is 8838324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3049131 + ... + 3049269.

Almost surely, 2^423838800 is an apocalyptic number.

423838800 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 423838800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930478640).

423838800 is an abundant number, since it is smaller than the sum of its proper divisors (1437118480).

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

423838800 is a wasteful number, since it uses less digits than its factorization.

423838800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 423838800 is about 20587.3456278365. The cubic root of 423838800 is about 751.1619322882.

The spelling of 423838800 in words is "four hundred twenty-three million, eight hundred thirty-eight thousand, eight hundred".