243504323416 has 16 divisors (see below), whose sum is σ = 456595124400. Its totient is φ = 121745623584.

The previous prime is 243504323351. The next prime is 243504323417. The reversal of 243504323416 is 614323405342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243504323417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657135 + ... + 958558.

It is an arithmetic number, because the mean of its divisors is an integer number (28537195275).

Almost surely, 2^243504323416 is an apocalyptic number.

It is an amenable number.

243504323416 is a deficient number, since it is larger than the sum of its proper divisors (213090800984).

243504323416 is a wasteful number, since it uses less digits than its factorization.

243504323416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634538 (or 1634534 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 243504323416 its reverse (614323405342), we get a palindrome (857827728758).

The spelling of 243504323416 in words is "two hundred forty-three billion, five hundred four million, three hundred twenty-three thousand, four hundred sixteen".