423432012 has 12 divisors (see below), whose sum is σ = 988008056. Its totient is φ = 141144000.

The previous prime is 423432011. The next prime is 423432013. The reversal of 423432012 is 210234324.

It is an interprime number because it is at equal distance from previous prime (423432011) and next prime (423432013).

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

It is a self number, because there is not a number n which added to its sum of digits gives 423432012.

It is not an unprimeable number, because it can be changed into a prime (423432011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17642989 + ... + 17643012.

Almost surely, 2^423432012 is an apocalyptic number.

It is an amenable number.

423432012 is an abundant number, since it is smaller than the sum of its proper divisors (564576044).

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

423432012 is a wasteful number, since it uses less digits than its factorization.

423432012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35286008 (or 35286006 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423432012 is about 20577.4636921074. The cubic root of 423432012 is about 750.9215409969.

Adding to 423432012 its reverse (210234324), we get a palindrome (633666336).

The spelling of 423432012 in words is "four hundred twenty-three million, four hundred thirty-two thousand, twelve".