123003103919 has 2 divisors, whose sum is σ = 123003103920. Its totient is φ = 123003103918.

The previous prime is 123003103913. The next prime is 123003103921. The reversal of 123003103919 is 919301300321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123003103919 - 2⁴ = 123003103903 is a prime.

It is a super-3 number, since 3×123003103919³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 123003103921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123003103913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61501551959 + 61501551960.

It is an arithmetic number, because the mean of its divisors is an integer number (61501551960).

Almost surely, 2^123003103919 is an apocalyptic number.

123003103919 is a deficient number, since it is larger than the sum of its proper divisors (1).

123003103919 is an equidigital number, since it uses as much as digits as its factorization.

123003103919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 123003103919 in words is "one hundred twenty-three billion, three million, one hundred three thousand, nine hundred nineteen".