123103120200 has 96 divisors (see below), whose sum is σ = 381689409600. Its totient is φ = 32821500160.

The previous prime is 123103120141. The next prime is 123103120219. The reversal of 123103120200 is 2021301321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123103120200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3976381 + ... + 4007219.

It is an arithmetic number, because the mean of its divisors is an integer number (3975931350).

Almost surely, 2^123103120200 is an apocalyptic number.

123103120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123103120200 is an abundant number, since it is smaller than the sum of its proper divisors (258586289400).

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

123103120200 is a wasteful number, since it uses less digits than its factorization.

123103120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37511 (or 37502 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123103120200 its reverse (2021301321), we get a palindrome (125124421521).

The spelling of 123103120200 in words is "one hundred twenty-three billion, one hundred three million, one hundred twenty thousand, two hundred".