243023111401311 has 12 divisors (see below), whose sum is σ = 351033720448840. Its totient is φ = 162015251917680.

The previous prime is 243023111401261. The next prime is 243023111401333. The reversal of 243023111401311 is 113104111320342.

243023111401311 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 231 + 11 + 401 + 3 + 11 = 666.

It is not a de Polignac number, because 243023111401311 - 2⁹ = 243023111400799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243023111401111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2655280 + ... + 22205781.

Almost surely, 2^{243023111401311} is an apocalyptic number.

243023111401311 is a deficient number, since it is larger than the sum of its proper divisors (108010609047529).

243023111401311 is a wasteful number, since it uses less digits than its factorization.

243023111401311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25947206 (or 25947203 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 243023111401311 its reverse (113104111320342), we get a palindrome (356127222721653).

The spelling of 243023111401311 in words is "two hundred forty-three trillion, twenty-three billion, one hundred eleven million, four hundred one thousand, three hundred eleven".