23122130022 has 64 divisors (see below), whose sum is σ = 54273669120. Its totient is φ = 7285269600.

The previous prime is 23122129999. The next prime is 23122130029. The reversal of 23122130022 is 22003122132.

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 = 23122129977 and 23122130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122130029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88629 + ... + 232592.

It is an arithmetic number, because the mean of its divisors is an integer number (848026080).

Almost surely, 2^23122130022 is an apocalyptic number.

23122130022 is an abundant number, since it is smaller than the sum of its proper divisors (31151539098).

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

23122130022 is a wasteful number, since it uses less digits than its factorization.

23122130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321306 (or 321300 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23122130022 its reverse (22003122132), we get a palindrome (45125252154).

The spelling of 23122130022 in words is "twenty-three billion, one hundred twenty-two million, one hundred thirty thousand, twenty-two".