123422043504 has 80 divisors (see below), whose sum is σ = 326717151264. Its totient is φ = 40124928000.

The previous prime is 123422043499. The next prime is 123422043523. The reversal of 123422043504 is 405340224321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8165554 + ... + 8180654.

Almost surely, 2^123422043504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123422043504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163358575632).

123422043504 is an abundant number, since it is smaller than the sum of its proper divisors (203295107760).

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

123422043504 is a wasteful number, since it uses less digits than its factorization.

123422043504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 123422043504 its reverse (405340224321), we get a palindrome (528762267825).

The spelling of 123422043504 in words is "one hundred twenty-three billion, four hundred twenty-two million, forty-three thousand, five hundred four".