105523500203 has 6 divisors (see below), whose sum is σ = 115988640852. Its totient is φ = 95930454620.

The previous prime is 105523500179. The next prime is 105523500209. The reversal of 105523500203 is 302005325501.

It is not a de Polignac number, because 105523500203 - 2¹² = 105523496107 is a prime.

It is a super-2 number, since 2×105523500203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105523500209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 436047401 + ... + 436047642.

It is an arithmetic number, because the mean of its divisors is an integer number (19331440142).

Almost surely, 2^105523500203 is an apocalyptic number.

105523500203 is a deficient number, since it is larger than the sum of its proper divisors (10465140649).

105523500203 is an equidigital number, since it uses as much as digits as its factorization.

105523500203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872095065 (or 872095054 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 105523500203 its reverse (302005325501), we get a palindrome (407528825704).

The spelling of 105523500203 in words is "one hundred five billion, five hundred twenty-three million, five hundred thousand, two hundred three".