1310235514123 has 2 divisors, whose sum is σ = 1310235514124. Its totient is φ = 1310235514122.

The previous prime is 1310235514121. The next prime is 1310235514129. The reversal of 1310235514123 is 3214155320131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310235514123 - 2¹ = 1310235514121 is a prime.

Together with 1310235514121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1310235514121) 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, 655117757061 + 655117757062.

It is an arithmetic number, because the mean of its divisors is an integer number (655117757062).

Almost surely, 2^{1310235514123} is an apocalyptic number.

1310235514123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310235514123 is an equidigital number, since it uses as much as digits as its factorization.

1310235514123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1310235514123 in words is "one trillion, three hundred ten billion, two hundred thirty-five million, five hundred fourteen thousand, one hundred twenty-three".