1293827385523 has 2 divisors, whose sum is σ = 1293827385524. Its totient is φ = 1293827385522.

The previous prime is 1293827385469. The next prime is 1293827385527. The reversal of 1293827385523 is 3255837283921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1293827385523 - 2¹³ = 1293827377331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1293827385527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646913692761 + 646913692762.

It is an arithmetic number, because the mean of its divisors is an integer number (646913692762).

Almost surely, 2^{1293827385523} is an apocalyptic number.

1293827385523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293827385523 is an equidigital number, since it uses as much as digits as its factorization.

1293827385523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 58.

The spelling of 1293827385523 in words is "one trillion, two hundred ninety-three billion, eight hundred twenty-seven million, three hundred eighty-five thousand, five hundred twenty-three".