1311056530423 has 2 divisors, whose sum is σ = 1311056530424. Its totient is φ = 1311056530422.

The previous prime is 1311056530411. The next prime is 1311056530447. The reversal of 1311056530423 is 3240356501131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311056530423 - 2¹³ = 1311056522231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311056530463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655528265211 + 655528265212.

It is an arithmetic number, because the mean of its divisors is an integer number (655528265212).

Almost surely, 2^{1311056530423} is an apocalyptic number.

1311056530423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311056530423 is an equidigital number, since it uses as much as digits as its factorization.

1311056530423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 1311056530423 in words is "one trillion, three hundred eleven billion, fifty-six million, five hundred thirty thousand, four hundred twenty-three".