243212341550 has 12 divisors (see below), whose sum is σ = 452374955376. Its totient is φ = 97284936600.

The previous prime is 243212341549. The next prime is 243212341597. The reversal of 243212341550 is 55143212342.

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 5 ways as a sum of consecutive naturals, for example, 2432123366 + ... + 2432123465.

It is an arithmetic number, because the mean of its divisors is an integer number (37697912948).

Almost surely, 2^243212341550 is an apocalyptic number.

243212341550 is a deficient number, since it is larger than the sum of its proper divisors (209162613826).

243212341550 is a wasteful number, since it uses less digits than its factorization.

243212341550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864246843 (or 4864246838 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 243212341550 its reverse (55143212342), we get a palindrome (298355553892).

The spelling of 243212341550 in words is "two hundred forty-three billion, two hundred twelve million, three hundred forty-one thousand, five hundred fifty".