21023010300713 has 2 divisors, whose sum is σ = 21023010300714. Its totient is φ = 21023010300712.

The previous prime is 21023010300689. The next prime is 21023010300727. The reversal of 21023010300713 is 31700301032012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20801142923929 + 221867376784 = 4560827^2 + 471028^2 .

It is a cyclic number.

It is not a de Polignac number, because 21023010300713 - 2¹⁰ = 21023010299689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (21023010300763) 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, 10511505150356 + 10511505150357.

It is an arithmetic number, because the mean of its divisors is an integer number (10511505150357).

Almost surely, 2^{21023010300713} is an apocalyptic number.

It is an amenable number.

21023010300713 is a deficient number, since it is larger than the sum of its proper divisors (1).

21023010300713 is an equidigital number, since it uses as much as digits as its factorization.

21023010300713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 21023010300713 its reverse (31700301032012), we get a palindrome (52723311332725).

The spelling of 21023010300713 in words is "twenty-one trillion, twenty-three billion, ten million, three hundred thousand, seven hundred thirteen".