11523666306293 has 2 divisors, whose sum is σ = 11523666306294. Its totient is φ = 11523666306292.

The previous prime is 11523666306281. The next prime is 11523666306319. The reversal of 11523666306293 is 39260366632511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10340231278129 + 1183435028164 = 3215623^2 + 1087858^2 .

It is an emirp because it is prime and its reverse (39260366632511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11523666306293 - 2⁴ = 11523666306277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523666303293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761833153146 + 5761833153147.

It is an arithmetic number, because the mean of its divisors is an integer number (5761833153147).

Almost surely, 2^{11523666306293} is an apocalyptic number.

It is an amenable number.

11523666306293 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523666306293 is an equidigital number, since it uses as much as digits as its factorization.

11523666306293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 11523666306293 in words is "eleven trillion, five hundred twenty-three billion, six hundred sixty-six million, three hundred six thousand, two hundred ninety-three".