1023320425213 has 2 divisors, whose sum is σ = 1023320425214. Its totient is φ = 1023320425212.

The previous prime is 1023320425157. The next prime is 1023320425243. The reversal of 1023320425213 is 3125240233201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757392500089 + 265927925124 = 870283^2 + 515682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023320425213 - 2⁹ = 1023320424701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023320425243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511660212606 + 511660212607.

It is an arithmetic number, because the mean of its divisors is an integer number (511660212607).

Almost surely, 2^{1023320425213} is an apocalyptic number.

It is an amenable number.

1023320425213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023320425213 is an equidigital number, since it uses as much as digits as its factorization.

1023320425213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1023320425213 its reverse (3125240233201), we get a palindrome (4148560658414).

The spelling of 1023320425213 in words is "one trillion, twenty-three billion, three hundred twenty million, four hundred twenty-five thousand, two hundred thirteen".