243433115105 has 16 divisors (see below), whose sum is σ = 303813453504. Its totient is φ = 187099174080.

The previous prime is 243433115099. The next prime is 243433115147. The reversal of 243433115105 is 501511334342.

It is a de Polignac number, because none of the positive numbers 2^k-243433115105 is a prime.

It is a super-2 number, since 2×243433115105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267599 + ... + 9293828.

It is an arithmetic number, because the mean of its divisors is an integer number (18988340844).

Almost surely, 2^243433115105 is an apocalyptic number.

It is an amenable number.

243433115105 is a deficient number, since it is larger than the sum of its proper divisors (60380338399).

243433115105 is a wasteful number, since it uses less digits than its factorization.

243433115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561536.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 243433115105 its reverse (501511334342), we get a palindrome (744944449447).

The spelling of 243433115105 in words is "two hundred forty-three billion, four hundred thirty-three million, one hundred fifteen thousand, one hundred five".