13021001003123 has 2 divisors, whose sum is σ = 13021001003124. Its totient is φ = 13021001003122.

The previous prime is 13021001003119. The next prime is 13021001003201. The reversal of 13021001003123 is 32130010012031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13021001003123 - 2² = 13021001003119 is a prime.

It is not a weakly prime, because it can be changed into another prime (13021001003623) 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, 6510500501561 + 6510500501562.

It is an arithmetic number, because the mean of its divisors is an integer number (6510500501562).

Almost surely, 2^{13021001003123} is an apocalyptic number.

13021001003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021001003123 is an equidigital number, since it uses as much as digits as its factorization.

13021001003123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13021001003123 its reverse (32130010012031), we get a palindrome (45151011015154).

The spelling of 13021001003123 in words is "thirteen trillion, twenty-one billion, one million, three thousand, one hundred twenty-three".