123300324555020 has 48 divisors (see below), whose sum is σ = 259198616476800. Its totient is φ = 49269101475840.

The previous prime is 123300324554951. The next prime is 123300324555029. The reversal of 123300324555020 is 20555423003321.

It is a super-2 number, since 2×123300324555020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123300324555029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297383216 + ... + 297797544.

It is an arithmetic number, because the mean of its divisors is an integer number (5399971176600).

Almost surely, 2^{123300324555020} is an apocalyptic number.

123300324555020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123300324555020 is an abundant number, since it is smaller than the sum of its proper divisors (135898291921780).

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

123300324555020 is a wasteful number, since it uses less digits than its factorization.

123300324555020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429698 (or 429696 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 123300324555020 its reverse (20555423003321), we get a palindrome (143855747558341).

The spelling of 123300324555020 in words is "one hundred twenty-three trillion, three hundred billion, three hundred twenty-four million, five hundred fifty-five thousand, twenty".