123103312220200 has 144 divisors (see below), whose sum is σ = 326237197384800. Its totient is φ = 43061239353600.

The previous prime is 123103312220177. The next prime is 123103312220201. The reversal of 123103312220200 is 2022213301321.

It is not an unprimeable number, because it can be changed into a prime (123103312220201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95202796 + ... + 96487195.

It is an arithmetic number, because the mean of its divisors is an integer number (2265536092950).

Almost surely, 2^{123103312220200} is an apocalyptic number.

123103312220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123103312220200 is an abundant number, since it is smaller than the sum of its proper divisors (203133885164600).

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

123103312220200 is a wasteful number, since it uses less digits than its factorization.

123103312220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191690052 (or 191690030 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123103312220200 its reverse (2022213301321), we get a palindrome (125125525521521).

The spelling of 123103312220200 in words is "one hundred twenty-three trillion, one hundred three billion, three hundred twelve million, two hundred twenty thousand, two hundred".