23110311012 has 24 divisors (see below), whose sum is σ = 54941495616. Its totient is φ = 7558088928.

The previous prime is 23110310947. The next prime is 23110311023. The reversal of 23110311012 is 21011301132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23110310982 and 23110311000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18167848 + ... + 18169119.

It is an arithmetic number, because the mean of its divisors is an integer number (2289228984).

Almost surely, 2^23110311012 is an apocalyptic number.

It is an amenable number.

23110311012 is an abundant number, since it is smaller than the sum of its proper divisors (31831184604).

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

23110311012 is a wasteful number, since it uses less digits than its factorization.

23110311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36337027 (or 36337025 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23110311012 its reverse (21011301132), we get a palindrome (44121612144).

The spelling of 23110311012 in words is "twenty-three billion, one hundred ten million, three hundred eleven thousand, twelve".