23211113012 has 12 divisors (see below), whose sum is σ = 41108839296. Its totient is φ = 11465730360.

The previous prime is 23211112943. The next prime is 23211113017. The reversal of 23211113012 is 21031111232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211113017) 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, 34956164 + ... + 34956827.

It is an arithmetic number, because the mean of its divisors is an integer number (3425736608).

Almost surely, 2^23211113012 is an apocalyptic number.

It is an amenable number.

23211113012 is a deficient number, since it is larger than the sum of its proper divisors (17897726284).

23211113012 is a wasteful number, since it uses less digits than its factorization.

23211113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69913078 (or 69913076 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23211113012 its reverse (21031111232), we get a palindrome (44242224244).

The spelling of 23211113012 in words is "twenty-three billion, two hundred eleven million, one hundred thirteen thousand, twelve".