423504012 has 12 divisors (see below), whose sum is σ = 988176056. Its totient is φ = 141168000.

The previous prime is 423504007. The next prime is 423504019. The reversal of 423504012 is 210405324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×423504012² = 358711296360192288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423504012.

It is not an unprimeable number, because it can be changed into a prime (423504019) 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, 17645989 + ... + 17646012.

Almost surely, 2^423504012 is an apocalyptic number.

It is an amenable number.

423504012 is an abundant number, since it is smaller than the sum of its proper divisors (564672044).

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

423504012 is a wasteful number, since it uses less digits than its factorization.

423504012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35292008 (or 35292006 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 423504012 is about 20579.2131044897. The cubic root of 423504012 is about 750.9641005935.

Adding to 423504012 its reverse (210405324), we get a palindrome (633909336).

The spelling of 423504012 in words is "four hundred twenty-three million, five hundred four thousand, twelve".