243240342524 has 6 divisors (see below), whose sum is σ = 425670599424. Its totient is φ = 121620171260.

The previous prime is 243240342511. The next prime is 243240342533. The reversal of 243240342524 is 425243042342.

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 as a sum of consecutive naturals, namely, 30405042812 + ... + 30405042819.

It is an arithmetic number, because the mean of its divisors is an integer number (70945099904).

Almost surely, 2^243240342524 is an apocalyptic number.

It is an amenable number.

243240342524 is a deficient number, since it is larger than the sum of its proper divisors (182430256900).

243240342524 is a wasteful number, since it uses less digits than its factorization.

243240342524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60810085635 (or 60810085633 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 243240342524 its reverse (425243042342), we get a palindrome (668483384866).

The spelling of 243240342524 in words is "two hundred forty-three billion, two hundred forty million, three hundred forty-two thousand, five hundred twenty-four".