20123320001003 has 2 divisors, whose sum is σ = 20123320001004. Its totient is φ = 20123320001002.

The previous prime is 20123320000951. The next prime is 20123320001051. The reversal of 20123320001003 is 30010002332102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123320001003 - 2¹⁸ = 20123319738859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123320001803) 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, 10061660000501 + 10061660000502.

It is an arithmetic number, because the mean of its divisors is an integer number (10061660000502).

Almost surely, 2^{20123320001003} is an apocalyptic number.

20123320001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123320001003 is an equidigital number, since it uses as much as digits as its factorization.

20123320001003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20123320001003 its reverse (30010002332102), we get a palindrome (50133322333105).

The spelling of 20123320001003 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty million, one thousand, three".