243423001212 has 24 divisors (see below), whose sum is σ = 569280835200. Its totient is φ = 80956167216.

The previous prime is 243423001153. The next prime is 243423001223. The reversal of 243423001212 is 212100324342.

It is a happy number.

243423001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23098662 + ... + 23109197.

It is an arithmetic number, because the mean of its divisors is an integer number (23720034800).

Almost surely, 2^243423001212 is an apocalyptic number.

It is an amenable number.

243423001212 is an abundant number, since it is smaller than the sum of its proper divisors (325857833988).

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

243423001212 is a wasteful number, since it uses less digits than its factorization.

243423001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46208305 (or 46208303 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243423001212 its reverse (212100324342), we get a palindrome (455523325554).

The spelling of 243423001212 in words is "two hundred forty-three billion, four hundred twenty-three million, one thousand, two hundred twelve".