123320441032500 has 240 divisors, whose sum is σ = 367561878548480. Its totient is φ = 32161550256000.

The previous prime is 123320441032487. The next prime is 123320441032511. The reversal of 123320441032500 is 5230144023321.

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68964717 + ... + 70730283.

Almost surely, 2^{123320441032500} is an apocalyptic number.

123320441032500 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 123320441032500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183780939274240).

123320441032500 is an abundant number, since it is smaller than the sum of its proper divisors (244241437515980).

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

123320441032500 is a wasteful number, since it uses less digits than its factorization.

123320441032500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765800 (or 1765783 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123320441032500 its reverse (5230144023321), we get a palindrome (128550585055821).

The spelling of 123320441032500 in words is "one hundred twenty-three trillion, three hundred twenty billion, four hundred forty-one million, thirty-two thousand, five hundred".