13023041021 has 2 divisors, whose sum is σ = 13023041022. Its totient is φ = 13023041020.

The previous prime is 13023041011. The next prime is 13023041039. The reversal of 13023041021 is 12014032031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13015615396 + 7425625 = 114086^2 + 2725^2 .

It is an emirp because it is prime and its reverse (12014032031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13023041021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13023041011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511520510 + 6511520511.

It is an arithmetic number, because the mean of its divisors is an integer number (6511520511).

Almost surely, 2^13023041021 is an apocalyptic number.

It is an amenable number.

13023041021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023041021 is an equidigital number, since it uses as much as digits as its factorization.

13023041021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13023041021 its reverse (12014032031), we get a palindrome (25037073052).

The spelling of 13023041021 in words is "thirteen billion, twenty-three million, forty-one thousand, twenty-one".