243304044434 has 16 divisors (see below), whose sum is σ = 398831168736. Its totient is φ = 110399059200.

The previous prime is 243304044433. The next prime is 243304044443. The reversal of 243304044434 is 434440403342.

It is a junction number, because it is equal to n+sod(n) for n = 243304044394 and 243304044403.

It is not an unprimeable number, because it can be changed into a prime (243304044433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9671567 + ... + 9696690.

It is an arithmetic number, because the mean of its divisors is an integer number (24926948046).

Almost surely, 2^243304044434 is an apocalyptic number.

243304044434 is a deficient number, since it is larger than the sum of its proper divisors (155527124302).

243304044434 is a wasteful number, since it uses less digits than its factorization.

243304044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19368841.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 243304044434 its reverse (434440403342), we get a palindrome (677744447776).

The spelling of 243304044434 in words is "two hundred forty-three billion, three hundred four million, forty-four thousand, four hundred thirty-four".