23111204431222 has 8 divisors (see below), whose sum is σ = 34667369084376. Its totient is φ = 11555414736432.

The previous prime is 23111204431171. The next prime is 23111204431247. The reversal of 23111204431222 is 22213440211132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 93585448 + ... + 93832075.

It is an arithmetic number, because the mean of its divisors is an integer number (4333421135547).

Almost surely, 2^{23111204431222} is an apocalyptic number.

23111204431222 is a deficient number, since it is larger than the sum of its proper divisors (11556164653154).

23111204431222 is a wasteful number, since it uses less digits than its factorization.

23111204431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187479182.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 23111204431222 its reverse (22213440211132), we get a palindrome (45324644642354).

The spelling of 23111204431222 in words is "twenty-three trillion, one hundred eleven billion, two hundred four million, four hundred thirty-one thousand, two hundred twenty-two".