423043212 has 12 divisors (see below), whose sum is σ = 987100856. Its totient is φ = 141014400.

The previous prime is 423043141. The next prime is 423043217. The reversal of 423043212 is 212340324.

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

It is not an unprimeable number, because it can be changed into a prime (423043217) 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, 17626789 + ... + 17626812.

Almost surely, 2^423043212 is an apocalyptic number.

It is an amenable number.

423043212 is an abundant number, since it is smaller than the sum of its proper divisors (564057644).

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

423043212 is a wasteful number, since it uses less digits than its factorization.

423043212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35253608 (or 35253606 counting only the distinct ones).

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

The square root of 423043212 is about 20568.0142940440. The cubic root of 423043212 is about 750.6916357683.

Adding to 423043212 its reverse (212340324), we get a palindrome (635383536).

The spelling of 423043212 in words is "four hundred twenty-three million, forty-three thousand, two hundred twelve".