123331223304 has 96 divisors (see below), whose sum is σ = 351879559200. Its totient is φ = 38915976960.

The previous prime is 123331223261. The next prime is 123331223311. The reversal of 123331223304 is 403322133321.

123331223304 is a `hidden beast` number, since 1 + 2 + 3 + 331 + 2 + 23 + 304 = 666.

It is a super-2 number, since 2×123331223304² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1731172 + ... + 1801004.

It is an arithmetic number, because the mean of its divisors is an integer number (3665412075).

Almost surely, 2^123331223304 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 123331223304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175939779600).

123331223304 is an abundant number, since it is smaller than the sum of its proper divisors (228548335896).

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

123331223304 is a wasteful number, since it uses less digits than its factorization.

123331223304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71155 (or 71148 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 123331223304 its reverse (403322133321), we get a palindrome (526653356625).

The spelling of 123331223304 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred four".