423545344 has 40 divisors (see below), whose sum is σ = 896062068. Its totient is φ = 199311360.

The previous prime is 423545329. The next prime is 423545351. The reversal of 423545344 is 443545324.

It can be written as a sum of positive squares in 2 ways, for example, as 422713600 + 831744 = 20560^2 + 912^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15627 + ... + 33034.

Almost surely, 2^423545344 is an apocalyptic number.

It is an amenable number.

423545344 is an abundant number, since it is smaller than the sum of its proper divisors (472516724).

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

423545344 is an equidigital number, since it uses as much as digits as its factorization.

423545344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48696 (or 48680 counting only the distinct ones).

The product of its digits is 115200, while the sum is 34.

The square root of 423545344 is about 20580.2172972007. The cubic root of 423545344 is about 750.9885299870.

The spelling of 423545344 in words is "four hundred twenty-three million, five hundred forty-five thousand, three hundred forty-four".