423673600 has 216 divisors, whose sum is σ = 1229261600. Its totient is φ = 144506880.

The previous prime is 423673597. The next prime is 423673633. The reversal of 423673600 is 6376324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2195104 + ... + 2195296.

Almost surely, 2^423673600 is an apocalyptic number.

423673600 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 423673600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614630800).

423673600 is an abundant number, since it is smaller than the sum of its proper divisors (805588000).

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

423673600 is an equidigital number, since it uses as much as digits as its factorization.

423673600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 423673600 is about 20583.3330634278. Note that the first 3 decimals coincide. The cubic root of 423673600 is about 751.0643259363.

The spelling of 423673600 in words is "four hundred twenty-three million, six hundred seventy-three thousand, six hundred".