100030123 has 2 divisors, whose sum is σ = 100030124. Its totient is φ = 100030122.

The previous prime is 100030121. The next prime is 100030141. The reversal of 100030123 is 321030001.

It is a weak prime.

It is an emirp because it is prime and its reverse (321030001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100030123 - 2¹ = 100030121 is a prime.

Together with 100030121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100030121) 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 as a sum of consecutive naturals, namely, 50015061 + 50015062.

It is an arithmetic number, because the mean of its divisors is an integer number (50015062).

Almost surely, 2^100030123 is an apocalyptic number.

100030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100030123 is an equidigital number, since it uses as much as digits as its factorization.

100030123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100030123 is about 10001.5060365927. The cubic root of 100030123 is about 464.2054848758.

Adding to 100030123 its reverse (321030001), we get a palindrome (421060124).

The spelling of 100030123 in words is "one hundred million, thirty thousand, one hundred twenty-three".