123423822522 has 256 divisors, whose sum is σ = 376828784640. Its totient is φ = 28903392000.

The previous prime is 123423822497. The next prime is 123423822527. The reversal of 123423822522 is 225228324321.

123423822522 is a `hidden beast` number, since 1 + 2 + 3 + 423 + 8 + 225 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (123423822527) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2297772 + ... + 2350872.

It is an arithmetic number, because the mean of its divisors is an integer number (1471987440).

Almost surely, 2^123423822522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123423822522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188414392320).

123423822522 is an abundant number, since it is smaller than the sum of its proper divisors (253404962118).

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

123423822522 is a wasteful number, since it uses less digits than its factorization.

123423822522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53186 (or 53180 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 123423822522 in words is "one hundred twenty-three billion, four hundred twenty-three million, eight hundred twenty-two thousand, five hundred twenty-two".