203323103123 has 16 divisors (see below), whose sum is σ = 241275672000. Its totient is φ = 167641821312.

The previous prime is 203323103101. The next prime is 203323103147. The reversal of 203323103123 is 321301323302.

203323103123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203323103123 - 2¹² = 203323099027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203323103153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807088 + ... + 1916301.

It is an arithmetic number, because the mean of its divisors is an integer number (15079729500).

Almost surely, 2^203323103123 is an apocalyptic number.

203323103123 is a deficient number, since it is larger than the sum of its proper divisors (37952568877).

203323103123 is a wasteful number, since it uses less digits than its factorization.

203323103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723694.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203323103123 its reverse (321301323302), we get a palindrome (524624426425).

The spelling of 203323103123 in words is "two hundred three billion, three hundred twenty-three million, one hundred three thousand, one hundred twenty-three".