23111233012 has 12 divisors (see below), whose sum is σ = 46222466080. Its totient is φ = 9904814136.

The previous prime is 23111233007. The next prime is 23111233021. The reversal of 23111233012 is 21033211132.

23111233012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412700562 + ... + 412700617.

Almost surely, 2^23111233012 is an apocalyptic number.

It is an amenable number.

23111233012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111233012 is a wasteful number, since it uses less digits than its factorization.

23111233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825401190 (or 825401188 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23111233012 its reverse (21033211132), we get a palindrome (44144444144).

The spelling of 23111233012 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-three thousand, twelve".