23113221112 has 8 divisors (see below), whose sum is σ = 43337289600. Its totient is φ = 11556610552.

The previous prime is 23113221107. The next prime is 23113221119. The reversal of 23113221112 is 21112231132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23113221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444576312 + ... + 1444576327.

It is an arithmetic number, because the mean of its divisors is an integer number (5417161200).

Almost surely, 2^23113221112 is an apocalyptic number.

It is an amenable number.

23113221112 is a deficient number, since it is larger than the sum of its proper divisors (20224068488).

23113221112 is a wasteful number, since it uses less digits than its factorization.

23113221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889152645 (or 2889152641 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 23113221112 its reverse (21112231132), we get a palindrome (44225452244).

The spelling of 23113221112 in words is "twenty-three billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".