423743200 has 72 divisors (see below), whose sum is σ = 1059775920. Its totient is φ = 165350400.

The previous prime is 423743179. The next prime is 423743209. The reversal of 423743200 is 2347324.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423743209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26341 + ... + 39259.

It is an arithmetic number, because the mean of its divisors is an integer number (14719110).

Almost surely, 2^423743200 is an apocalyptic number.

423743200 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 423743200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529887960).

423743200 is an abundant number, since it is smaller than the sum of its proper divisors (636032720).

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

423743200 is a wasteful number, since it uses less digits than its factorization.

423743200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980 (or 12967 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 423743200 is about 20585.0236822793. The cubic root of 423743200 is about 751.1054513175.

The spelling of 423743200 in words is "four hundred twenty-three million, seven hundred forty-three thousand, two hundred".