100303323203 has 4 divisors (see below), whose sum is σ = 100311310920. Its totient is φ = 100295335488.

The previous prime is 100303323181. The next prime is 100303323209. The reversal of 100303323203 is 302323303001.

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 100303323203 - 2¹⁸ = 100303061059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100303323209) 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, 3974993 + ... + 4000146.

It is an arithmetic number, because the mean of its divisors is an integer number (25077827730).

Almost surely, 2^100303323203 is an apocalyptic number.

100303323203 is a deficient number, since it is larger than the sum of its proper divisors (7987717).

100303323203 is an equidigital number, since it uses as much as digits as its factorization.

100303323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987716.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 100303323203 its reverse (302323303001), we get a palindrome (402626626204).

It can be divided in two parts, 100 and 303323203, that added together give a palindrome (303323303).

The spelling of 100303323203 in words is "one hundred billion, three hundred three million, three hundred twenty-three thousand, two hundred three".