123300401542500 has 480 divisors, whose sum is σ = 443708591800320. Its totient is φ = 25942512960000.

The previous prime is 123300401542499. The next prime is 123300401542541. The reversal of 123300401542500 is 5245104003321.

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

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 159 ways as a sum of consecutive naturals, for example, 244765885 + ... + 245269115.

It is an arithmetic number, because the mean of its divisors is an integer number (924392899584).

Almost surely, 2^{123300401542500} is an apocalyptic number.

123300401542500 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 123300401542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221854295900160).

123300401542500 is an abundant number, since it is smaller than the sum of its proper divisors (320408190257820).

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

123300401542500 is a wasteful number, since it uses less digits than its factorization.

123300401542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503637 (or 503620 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 123300401542500 its reverse (5245104003321), we get a palindrome (128545505545821).

The spelling of 123300401542500 in words is "one hundred twenty-three trillion, three hundred billion, four hundred one million, five hundred forty-two thousand, five hundred".