423443230 has 32 divisors (see below), whose sum is σ = 872337600. Its totient is φ = 144971520.

The previous prime is 423443201. The next prime is 423443233. The reversal of 423443230 is 32344324.

It is a junction number, because it is equal to n+sod(n) for n = 423443195 and 423443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423443233) 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 15 ways as a sum of consecutive naturals, for example, 49296 + ... + 57244.

It is an arithmetic number, because the mean of its divisors is an integer number (27260550).

Almost surely, 2^423443230 is an apocalyptic number.

423443230 is an abundant number, since it is smaller than the sum of its proper divisors (448894370).

423443230 is a wasteful number, since it uses less digits than its factorization.

423443230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 423443230 is about 20577.7362700565. The cubic root of 423443230 is about 750.9281723358.

Adding to 423443230 its reverse (32344324), we get a palindrome (455787554).

The spelling of 423443230 in words is "four hundred twenty-three million, four hundred forty-three thousand, two hundred thirty".