243312053524 has 12 divisors (see below), whose sum is σ = 425831540148. Its totient is φ = 121645899200.

The previous prime is 243312053497. The next prime is 243312053531. The reversal of 243312053524 is 425350213342.

It can be written as a sum of positive squares in 2 ways, for example, as 212722043524 + 30590010000 = 461218^2 + 174900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243312053524.

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 3 ways as a sum of consecutive naturals, for example, 2477707 + ... + 2574034.

It is an arithmetic number, because the mean of its divisors is an integer number (35485961679).

Almost surely, 2^243312053524 is an apocalyptic number.

It is an amenable number.

243312053524 is a deficient number, since it is larger than the sum of its proper divisors (182519486624).

243312053524 is a wasteful number, since it uses less digits than its factorization.

243312053524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063786 (or 5063784 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 243312053524 its reverse (425350213342), we get a palindrome (668662266866).

The spelling of 243312053524 in words is "two hundred forty-three billion, three hundred twelve million, fifty-three thousand, five hundred twenty-four".