123130023222 has 16 divisors (see below), whose sum is σ = 259221101760. Its totient is φ = 38883165192.

The previous prime is 123130023221. The next prime is 123130023227. The reversal of 123130023222 is 222320031321.

It is a happy number.

It is a super-2 number, since 2×123130023222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130023221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540043848 + ... + 540044075.

It is an arithmetic number, because the mean of its divisors is an integer number (16201318860).

Almost surely, 2^123130023222 is an apocalyptic number.

123130023222 is an abundant number, since it is smaller than the sum of its proper divisors (136091078538).

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

123130023222 is a wasteful number, since it uses less digits than its factorization.

123130023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080087947.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123130023222 its reverse (222320031321), we get a palindrome (345450054543).

The spelling of 123130023222 in words is "one hundred twenty-three billion, one hundred thirty million, twenty-three thousand, two hundred twenty-two".