123040321104 has 40 divisors (see below), whose sum is σ = 317883221632. Its totient is φ = 41009690880.

The previous prime is 123040321093. The next prime is 123040321109. The reversal of 123040321104 is 401123040321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123040321109) by changing a digit.

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, 440724 + ... + 663564.

Almost surely, 2^123040321104 is an apocalyptic number.

It is an amenable number.

123040321104 is an abundant number, since it is smaller than the sum of its proper divisors (194842900528).

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

123040321104 is a wasteful number, since it uses less digits than its factorization.

123040321104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234355 (or 234349 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123040321104 its reverse (401123040321), we get a palindrome (524163361425).

The spelling of 123040321104 in words is "one hundred twenty-three billion, forty million, three hundred twenty-one thousand, one hundred four".