243255230407105 has 16 divisors (see below), whose sum is σ = 335188249789824. Its totient is φ = 166013048234880.

The previous prime is 243255230407073. The next prime is 243255230407109. The reversal of 243255230407105 is 501704032552342.

It is not a de Polignac number, because 243255230407105 - 2⁵ = 243255230407073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243255230407109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16469541052 + ... + 16469555821.

It is an arithmetic number, because the mean of its divisors is an integer number (20949265611864).

Almost surely, 2^{243255230407105} is an apocalyptic number.

It is an amenable number.

243255230407105 is a deficient number, since it is larger than the sum of its proper divisors (91933019382719).

243255230407105 is a wasteful number, since it uses less digits than its factorization.

243255230407105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32939097096.

The product of its (nonzero) digits is 1008000, while the sum is 43.

Adding to 243255230407105 its reverse (501704032552342), we get a palindrome (744959262959447).

The spelling of 243255230407105 in words is "two hundred forty-three trillion, two hundred fifty-five billion, two hundred thirty million, four hundred seven thousand, one hundred five".