243321034552 has 8 divisors (see below), whose sum is σ = 456226939800. Its totient is φ = 121660517272.

The previous prime is 243321034547. The next prime is 243321034571. The reversal of 243321034552 is 255430123342.

It is a tau number, because it is divible by the number of its divisors (8).

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, 15207564652 + ... + 15207564667.

It is an arithmetic number, because the mean of its divisors is an integer number (57028367475).

Almost surely, 2^243321034552 is an apocalyptic number.

It is an amenable number.

243321034552 is a deficient number, since it is larger than the sum of its proper divisors (212905905248).

243321034552 is a wasteful number, since it uses less digits than its factorization.

243321034552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30415129325 (or 30415129321 counting only the distinct ones).

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

Adding to 243321034552 its reverse (255430123342), we get a palindrome (498751157894).

The spelling of 243321034552 in words is "two hundred forty-three billion, three hundred twenty-one million, thirty-four thousand, five hundred fifty-two".