423597028 has 12 divisors (see below), whose sum is σ = 741443500. Its totient is φ = 211756032.

The previous prime is 423597023. The next prime is 423597047. The reversal of 423597028 is 820795324.

It can be written as a sum of positive squares in 2 ways, for example, as 69856164 + 353740864 = 8358^2 + 18808^2 .

It is not an unprimeable number, because it can be changed into a prime (423597023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25348 + ... + 38596.

Almost surely, 2^423597028 is an apocalyptic number.

It is an amenable number.

423597028 is a deficient number, since it is larger than the sum of its proper divisors (317846472).

423597028 is a wasteful number, since it uses less digits than its factorization.

423597028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 21244 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 423597028 is about 20581.4729307696. The cubic root of 423597028 is about 751.0190757228.

The spelling of 423597028 in words is "four hundred twenty-three million, five hundred ninety-seven thousand, twenty-eight".