423793800 has 72 divisors (see below), whose sum is σ = 1423246890. Its totient is φ = 113011200.

The previous prime is 423793789. The next prime is 423793801. The reversal of 423793800 is 8397324.

It can be written as a sum of positive squares in 3 ways, for example, as 389430756 + 34363044 = 19734^2 + 5862^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (423793801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115921 + ... + 119520.

Almost surely, 2^423793800 is an apocalyptic number.

423793800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423793800 is an abundant number, since it is smaller than the sum of its proper divisors (999453090).

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

423793800 is a wasteful number, since it uses less digits than its factorization.

423793800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235463 (or 235451 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 423793800 is about 20586.2526944561. The cubic root of 423793800 is about 751.1353471153.

The spelling of 423793800 in words is "four hundred twenty-three million, seven hundred ninety-three thousand, eight hundred".