23031223121022 has 16 divisors (see below), whose sum is σ = 46062773472000. Its totient is φ = 7677019835352.

The previous prime is 23031223120981. The next prime is 23031223121041. The reversal of 23031223121022 is 22012132213032.

It is a junction number, because it is equal to n+sod(n) for n = 23031223120983 and 23031223121001.

It is a congruent number.

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, 12714838 + ... + 14412825.

It is an arithmetic number, because the mean of its divisors is an integer number (2878923342000).

Almost surely, 2^{23031223121022} is an apocalyptic number.

23031223121022 is an abundant number, since it is smaller than the sum of its proper divisors (23031550350978).

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

23031223121022 is a wasteful number, since it uses less digits than its factorization.

23031223121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27269167.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23031223121022 its reverse (22012132213032), we get a palindrome (45043355334054).

The spelling of 23031223121022 in words is "twenty-three trillion, thirty-one billion, two hundred twenty-three million, one hundred twenty-one thousand, twenty-two".