243563034 has 32 divisors (see below), whose sum is σ = 572289984. Its totient is φ = 68129280.

The previous prime is 243563017. The next prime is 243563039. The reversal of 243563034 is 430365342.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243562992 and 243563010.

It is not an unprimeable number, because it can be changed into a prime (243563039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141079 + ... + 142794.

It is an arithmetic number, because the mean of its divisors is an integer number (17884062).

Almost surely, 2^243563034 is an apocalyptic number.

243563034 is an abundant number, since it is smaller than the sum of its proper divisors (328726950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243563034 is a wasteful number, since it uses less digits than its factorization.

243563034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283902.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 243563034 is about 15606.5061432724. The cubic root of 243563034 is about 624.5067331496.

The spelling of 243563034 in words is "two hundred forty-three million, five hundred sixty-three thousand, thirty-four".