10003120123 has 2 divisors, whose sum is σ = 10003120124. Its totient is φ = 10003120122.

The previous prime is 10003120103. The next prime is 10003120129. The reversal of 10003120123 is 32102130001.

It is a strong prime.

It is an emirp because it is prime and its reverse (32102130001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10003120123 - 2⁵ = 10003120091 is a prime.

It is not a weakly prime, because it can be changed into another prime (10003120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001560061 + 5001560062.

It is an arithmetic number, because the mean of its divisors is an integer number (5001560062).

Almost surely, 2^10003120123 is an apocalyptic number.

10003120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003120123 is an equidigital number, since it uses as much as digits as its factorization.

10003120123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10003120123 its reverse (32102130001), we get a palindrome (42105250124).

The spelling of 10003120123 in words is "ten billion, three million, one hundred twenty thousand, one hundred twenty-three".