100030003123 has 2 divisors, whose sum is σ = 100030003124. Its totient is φ = 100030003122.

The previous prime is 100030003121. The next prime is 100030003153. The reversal of 100030003123 is 321300030001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100030003123 - 2¹ = 100030003121 is a prime.

Together with 100030003121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100030003121) 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 as a sum of consecutive naturals, namely, 50015001561 + 50015001562.

It is an arithmetic number, because the mean of its divisors is an integer number (50015001562).

Almost surely, 2^100030003123 is an apocalyptic number.

100030003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100030003123 is an equidigital number, since it uses as much as digits as its factorization.

100030003123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 100030003123 its reverse (321300030001), we get a palindrome (421330033124).

The spelling of 100030003123 in words is "one hundred billion, thirty million, three thousand, one hundred twenty-three".