231233422411 has 4 divisors (see below), whose sum is σ = 236873262024. Its totient is φ = 225593582800.

The previous prime is 231233422369. The next prime is 231233422421. The reversal of 231233422411 is 114224332132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231233422411 - 2⁹ = 231233421899 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 231233422411.

It is not an unprimeable number, because it can be changed into a prime (231233422421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819919745 + ... + 2819919826.

It is an arithmetic number, because the mean of its divisors is an integer number (59218315506).

Almost surely, 2^231233422411 is an apocalyptic number.

231233422411 is a deficient number, since it is larger than the sum of its proper divisors (5639839613).

231233422411 is an equidigital number, since it uses as much as digits as its factorization.

231233422411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639839612.

The product of its digits is 6912, while the sum is 28.

Adding to 231233422411 its reverse (114224332132), we get a palindrome (345457754543).

The spelling of 231233422411 in words is "two hundred thirty-one billion, two hundred thirty-three million, four hundred twenty-two thousand, four hundred eleven".