100304123 has 2 divisors, whose sum is σ = 100304124. Its totient is φ = 100304122.

The previous prime is 100304101. The next prime is 100304129. The reversal of 100304123 is 321403001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100304123 - 2¹² = 100300027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100304098 and 100304107.

It is not a weakly prime, because it can be changed into another prime (100304129) 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, 50152061 + 50152062.

It is an arithmetic number, because the mean of its divisors is an integer number (50152062).

Almost surely, 2^100304123 is an apocalyptic number.

100304123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100304123 is an equidigital number, since it uses as much as digits as its factorization.

100304123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100304123 is about 10015.1946061971. The cubic root of 100304123 is about 464.6289451345.

Adding to 100304123 its reverse (321403001), we get a palindrome (421707124).

The spelling of 100304123 in words is "one hundred million, three hundred four thousand, one hundred twenty-three".