1313012303123 has 2 divisors, whose sum is σ = 1313012303124. Its totient is φ = 1313012303122.

The previous prime is 1313012303047. The next prime is 1313012303159. The reversal of 1313012303123 is 3213032103131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313012303123 - 2¹⁶ = 1313012237587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313012303023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656506151561 + 656506151562.

It is an arithmetic number, because the mean of its divisors is an integer number (656506151562).

Almost surely, 2^{1313012303123} is an apocalyptic number.

1313012303123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313012303123 is an equidigital number, since it uses as much as digits as its factorization.

1313012303123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313012303123 its reverse (3213032103131), we get a palindrome (4526044406254).

The spelling of 1313012303123 in words is "one trillion, three hundred thirteen billion, twelve million, three hundred three thousand, one hundred twenty-three".