23112311022 has 24 divisors (see below), whose sum is σ = 50824089576. Its totient is φ = 7589116656.

The previous prime is 23112311011. The next prime is 23112311039. The reversal of 23112311022 is 22011321132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23112310986 and 23112311004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9581013 + ... + 9583424.

It is an arithmetic number, because the mean of its divisors is an integer number (2117670399).

Almost surely, 2^23112311022 is an apocalyptic number.

23112311022 is an abundant number, since it is smaller than the sum of its proper divisors (27711778554).

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

23112311022 is a wasteful number, since it uses less digits than its factorization.

23112311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19164512 (or 19164509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23112311022 its reverse (22011321132), we get a palindrome (45123632154).

The spelling of 23112311022 in words is "twenty-three billion, one hundred twelve million, three hundred eleven thousand, twenty-two".