203120233103 has 4 divisors (see below), whose sum is σ = 204015036120. Its totient is φ = 202225430088.

The previous prime is 203120233079. The next prime is 203120233139. The reversal of 203120233103 is 301332021302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203120233103 - 2¹⁰ = 203120232079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203120233163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447401168 + ... + 447401621.

It is an arithmetic number, because the mean of its divisors is an integer number (51003759030).

Almost surely, 2^203120233103 is an apocalyptic number.

203120233103 is a deficient number, since it is larger than the sum of its proper divisors (894803017).

203120233103 is an equidigital number, since it uses as much as digits as its factorization.

203120233103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894803016.

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

Adding to 203120233103 its reverse (301332021302), we get a palindrome (504452254405).

The spelling of 203120233103 in words is "two hundred three billion, one hundred twenty million, two hundred thirty-three thousand, one hundred three".