123030020903 has 2 divisors, whose sum is σ = 123030020904. Its totient is φ = 123030020902.

The previous prime is 123030020891. The next prime is 123030020941. The reversal of 123030020903 is 309020030321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123030020903 - 2⁴ = 123030020887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030020983) 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, 61515010451 + 61515010452.

It is an arithmetic number, because the mean of its divisors is an integer number (61515010452).

Almost surely, 2^123030020903 is an apocalyptic number.

123030020903 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030020903 is an equidigital number, since it uses as much as digits as its factorization.

123030020903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The spelling of 123030020903 in words is "one hundred twenty-three billion, thirty million, twenty thousand, nine hundred three".