243320345332 has 12 divisors (see below), whose sum is σ = 425944994020. Its totient is φ = 121621775616.

The previous prime is 243320345299. The next prime is 243320345351. The reversal of 243320345332 is 233543023342.

243320345332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176329447056 + 66990898276 = 419916^2 + 258826^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9585003 + ... + 9610354.

Almost surely, 2^243320345332 is an apocalyptic number.

It is an amenable number.

243320345332 is a deficient number, since it is larger than the sum of its proper divisors (182624648688).

243320345332 is a wasteful number, since it uses less digits than its factorization.

243320345332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19198530 (or 19198528 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 34.

Adding to 243320345332 its reverse (233543023342), we get a palindrome (476863368674).

The spelling of 243320345332 in words is "two hundred forty-three billion, three hundred twenty million, three hundred forty-five thousand, three hundred thirty-two".