123104033500 has 192 divisors, whose sum is σ = 316554061824. Its totient is φ = 40944960000.

The previous prime is 123104033497. The next prime is 123104033501. The reversal of 123104033500 is 5330401321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123104033501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22722792 + ... + 22728208.

It is an arithmetic number, because the mean of its divisors is an integer number (1648719072).

Almost surely, 2^123104033500 is an apocalyptic number.

123104033500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123104033500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158277030912).

123104033500 is an abundant number, since it is smaller than the sum of its proper divisors (193450028324).

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

123104033500 is a wasteful number, since it uses less digits than its factorization.

123104033500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 123104033500 its reverse (5330401321), we get a palindrome (128434434821).

The spelling of 123104033500 in words is "one hundred twenty-three billion, one hundred four million, thirty-three thousand, five hundred".