23021023122 has 80 divisors (see below), whose sum is σ = 52275972672. Its totient is φ = 7571296800.

The previous prime is 23021023079. The next prime is 23021023163. The reversal of 23021023122 is 22132012032.

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 = 23021023095 and 23021023104.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5020843 + ... + 5025425.

Almost surely, 2^23021023122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021023122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26137986336).

23021023122 is an abundant number, since it is smaller than the sum of its proper divisors (29254949550).

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

23021023122 is a wasteful number, since it uses less digits than its factorization.

23021023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005 (or 4996 counting only the distinct ones).

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

Adding to 23021023122 its reverse (22132012032), we get a palindrome (45153035154).

The spelling of 23021023122 in words is "twenty-three billion, twenty-one million, twenty-three thousand, one hundred twenty-two".