203123201300 has 72 divisors (see below), whose sum is σ = 442180240320. Its totient is φ = 80991072000.

The previous prime is 203123201299. The next prime is 203123201317. The reversal of 203123201300 is 3102321302.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 71244875 + ... + 71247725.

Almost surely, 2^203123201300 is an apocalyptic number.

203123201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203123201300 is an abundant number, since it is smaller than the sum of its proper divisors (239057039020).

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

203123201300 is a wasteful number, since it uses less digits than its factorization.

203123201300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881 (or 4874 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203123201300 its reverse (3102321302), we get a palindrome (206225522602).

The spelling of 203123201300 in words is "two hundred three billion, one hundred twenty-three million, two hundred one thousand, three hundred".