23123022222 has 16 divisors (see below), whose sum is σ = 46378558800. Its totient is φ = 7685588352.

The previous prime is 23123022179. The next prime is 23123022257. The reversal of 23123022222 is 22222032132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519163 + ... + 5523350.

It is an arithmetic number, because the mean of its divisors is an integer number (2898659925).

Almost surely, 2^23123022222 is an apocalyptic number.

23123022222 is an abundant number, since it is smaller than the sum of its proper divisors (23255536578).

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

23123022222 is a wasteful number, since it uses less digits than its factorization.

23123022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11042867.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23123022222 its reverse (22222032132), we get a palindrome (45345054354).

The spelling of 23123022222 in words is "twenty-three billion, one hundred twenty-three million, twenty-two thousand, two hundred twenty-two".