1313203313423 has 2 divisors, whose sum is σ = 1313203313424. Its totient is φ = 1313203313422.

The previous prime is 1313203313353. The next prime is 1313203313483. The reversal of 1313203313423 is 3243133023131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313203313423 - 2³⁴ = 1296023444239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313203313483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656601656711 + 656601656712.

It is an arithmetic number, because the mean of its divisors is an integer number (656601656712).

Almost surely, 2^{1313203313423} is an apocalyptic number.

1313203313423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313203313423 is an equidigital number, since it uses as much as digits as its factorization.

1313203313423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 1313203313423 its reverse (3243133023131), we get a palindrome (4556336336554).

The spelling of 1313203313423 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred thirteen thousand, four hundred twenty-three".