20003123359 has 2 divisors, whose sum is σ = 20003123360. Its totient is φ = 20003123358.

The previous prime is 20003123323. The next prime is 20003123377. The reversal of 20003123359 is 95332130002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20003123359 - 2²¹ = 20001026207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003123659) 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, 10001561679 + 10001561680.

It is an arithmetic number, because the mean of its divisors is an integer number (10001561680).

Almost surely, 2^20003123359 is an apocalyptic number.

20003123359 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003123359 is an equidigital number, since it uses as much as digits as its factorization.

20003123359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 20003123359 in words is "twenty billion, three million, one hundred twenty-three thousand, three hundred fifty-nine".