100303000123 has 4 divisors (see below), whose sum is σ = 101511470088. Its totient is φ = 99094530160.

The previous prime is 100303000099. The next prime is 100303000141. The reversal of 100303000123 is 321000303001.

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 100303000123 - 2¹³ = 100302991931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100303000153) 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 3 ways as a sum of consecutive naturals, for example, 604234858 + ... + 604235023.

It is an arithmetic number, because the mean of its divisors is an integer number (25377867522).

Almost surely, 2^100303000123 is an apocalyptic number.

100303000123 is a deficient number, since it is larger than the sum of its proper divisors (1208469965).

100303000123 is an equidigital number, since it uses as much as digits as its factorization.

100303000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208469964.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 100303000123 its reverse (321000303001), we get a palindrome (421303303124).

The spelling of 100303000123 in words is "one hundred billion, three hundred three million, one hundred twenty-three", and thus it is an aban number.