243224345112 has 64 divisors (see below), whose sum is σ = 704446279680. Its totient is φ = 68540712192.

The previous prime is 243224345101. The next prime is 243224345183. The reversal of 243224345112 is 211543422342.

It is a happy number.

It is a super-2 number, since 2×243224345112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9903928 + ... + 9928455.

It is an arithmetic number, because the mean of its divisors is an integer number (11006973120).

Almost surely, 2^243224345112 is an apocalyptic number.

It is an amenable number.

243224345112 is an abundant number, since it is smaller than the sum of its proper divisors (461221934568).

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

243224345112 is a wasteful number, since it uses less digits than its factorization.

243224345112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19832472 (or 19832468 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 243224345112 its reverse (211543422342), we get a palindrome (454767767454).

The spelling of 243224345112 in words is "two hundred forty-three billion, two hundred twenty-four million, three hundred forty-five thousand, one hundred twelve".