123413035500 has 144 divisors (see below), whose sum is σ = 389610582816. Its totient is φ = 32886172800.

The previous prime is 123413035397. The next prime is 123413035507. The reversal of 123413035500 is 5530314321.

123413035500 is a `hidden beast` number, since 1 + 23 + 4 + 130 + 3 + 5 + 500 = 666.

It is not an unprimeable number, because it can be changed into a prime (123413035507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6664254 + ... + 6682746.

Almost surely, 2^123413035500 is an apocalyptic number.

123413035500 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 123413035500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194805291408).

123413035500 is an abundant number, since it is smaller than the sum of its proper divisors (266197547316).

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

123413035500 is a wasteful number, since it uses less digits than its factorization.

123413035500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001 (or 19986 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 123413035500 its reverse (5530314321), we get a palindrome (128943349821).

The spelling of 123413035500 in words is "one hundred twenty-three billion, four hundred thirteen million, thirty-five thousand, five hundred".