423206012 has 12 divisors (see below), whose sum is σ = 743494080. Its totient is φ = 210779136.

The previous prime is 423206011. The next prime is 423206029. The reversal of 423206012 is 210602324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423206011) 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, 204812 + ... + 206867.

It is an arithmetic number, because the mean of its divisors is an integer number (61957840).

Almost surely, 2^423206012 is an apocalyptic number.

It is an amenable number.

423206012 is a deficient number, since it is larger than the sum of its proper divisors (320288068).

423206012 is a wasteful number, since it uses less digits than its factorization.

423206012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411940 (or 411938 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 423206012 is about 20571.9715146604. The cubic root of 423206012 is about 750.7879198052.

Adding to 423206012 its reverse (210602324), we get a palindrome (633808336).

The spelling of 423206012 in words is "four hundred twenty-three million, two hundred six thousand, twelve".