234423131311 has 16 divisors (see below), whose sum is σ = 248886236160. Its totient is φ = 220342842720.

The previous prime is 234423131291. The next prime is 234423131321. The reversal of 234423131311 is 113131324432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234423131311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234423131311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234423131321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77661 + ... + 689113.

It is an arithmetic number, because the mean of its divisors is an integer number (15555389760).

Almost surely, 2^234423131311 is an apocalyptic number.

234423131311 is a deficient number, since it is larger than the sum of its proper divisors (14463104849).

234423131311 is a wasteful number, since it uses less digits than its factorization.

234423131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611766.

The product of its digits is 5184, while the sum is 28.

Adding to 234423131311 its reverse (113131324432), we get a palindrome (347554455743).

The spelling of 234423131311 in words is "two hundred thirty-four billion, four hundred twenty-three million, one hundred thirty-one thousand, three hundred eleven".