123313421323200 has 84 divisors (see below), whose sum is σ = 404570783140280. Its totient is φ = 32883579018240.

The previous prime is 123313421323187. The next prime is 123313421323229. The reversal of 123313421323200 is 2323124313321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 12845143255 + ... + 12845152854.

Almost surely, 2^{123313421323200} is an apocalyptic number.

123313421323200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123313421323200 is an abundant number, since it is smaller than the sum of its proper divisors (281257361817080).

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

123313421323200 is a wasteful number, since it uses less digits than its factorization.

123313421323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25690296134 (or 25690296119 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 123313421323200 its reverse (2323124313321), we get a palindrome (125636545636521).

The spelling of 123313421323200 in words is "one hundred twenty-three trillion, three hundred thirteen billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred".