423003436 has 12 divisors (see below), whose sum is σ = 742494760. Its totient is φ = 210862080.

The previous prime is 423003433. The next prime is 423003443. The reversal of 423003436 is 634300324.

It is a self number, because there is not a number n which added to its sum of digits gives 423003436.

It is not an unprimeable number, because it can be changed into a prime (423003433) 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 3 ways as a sum of consecutive naturals, for example, 158421 + ... + 161068.

Almost surely, 2^423003436 is an apocalyptic number.

It is an amenable number.

423003436 is a deficient number, since it is larger than the sum of its proper divisors (319491324).

423003436 is a wasteful number, since it uses less digits than its factorization.

423003436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319824 (or 319822 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 423003436 is about 20567.0473330520. The cubic root of 423003436 is about 750.6681074813.

The spelling of 423003436 in words is "four hundred twenty-three million, three thousand, four hundred thirty-six".