23213311112 has 16 divisors (see below), whose sum is σ = 43526788800. Its totient is φ = 11606167440.

The previous prime is 23213311091. The next prime is 23213311117. The reversal of 23213311112 is 21111331232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23213311117) 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, 214037 + ... + 303707.

It is an arithmetic number, because the mean of its divisors is an integer number (2720424300).

Almost surely, 2^23213311112 is an apocalyptic number.

It is an amenable number.

23213311112 is a deficient number, since it is larger than the sum of its proper divisors (20313477688).

23213311112 is a wasteful number, since it uses less digits than its factorization.

23213311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122036 (or 122032 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 23213311112 its reverse (21111331232), we get a palindrome (44324642344).

The spelling of 23213311112 in words is "twenty-three billion, two hundred thirteen million, three hundred eleven thousand, one hundred twelve".