123100203203300 has 18 divisors (see below), whose sum is σ = 267127440951378. Its totient is φ = 49240081281280.

The previous prime is 123100203203267. The next prime is 123100203203323. The reversal of 123100203203300 is 3302302001321.

It can be written as a sum of positive squares in 3 ways, for example, as 296083986496 + 122804119216804 = 544136^2 + 11081702^2 .

It is a super-2 number, since 2×123100203203300² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615501015917 + ... + 615501016116.

Almost surely, 2^{123100203203300} is an apocalyptic number.

123100203203300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123100203203300 is an abundant number, since it is smaller than the sum of its proper divisors (144027237748078).

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

123100203203300 is a wasteful number, since it uses less digits than its factorization.

123100203203300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231002032047 (or 1231002032040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123100203203300 its reverse (3302302001321), we get a palindrome (126402505204621).

The spelling of 123100203203300 in words is "one hundred twenty-three trillion, one hundred billion, two hundred three million, two hundred three thousand, three hundred".