1023120445313 has 2 divisors, whose sum is σ = 1023120445314. Its totient is φ = 1023120445312.

The previous prime is 1023120445297. The next prime is 1023120445363. The reversal of 1023120445313 is 3135440213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560893149184 + 462227296129 = 748928^2 + 679873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023120445313 - 2⁴ = 1023120445297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023120445363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511560222656 + 511560222657.

It is an arithmetic number, because the mean of its divisors is an integer number (511560222657).

Almost surely, 2^{1023120445313} is an apocalyptic number.

It is an amenable number.

1023120445313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023120445313 is an equidigital number, since it uses as much as digits as its factorization.

1023120445313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1023120445313 its reverse (3135440213201), we get a palindrome (4158560658514).

The spelling of 1023120445313 in words is "one trillion, twenty-three billion, one hundred twenty million, four hundred forty-five thousand, three hundred thirteen".