116565523 has 2 divisors, whose sum is σ = 116565524. Its totient is φ = 116565522.

The previous prime is 116565521. The next prime is 116565557. The reversal of 116565523 is 325565611.

It is an a-pointer prime, because the next prime (116565557) can be obtained adding 116565523 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116565523 - 2¹ = 116565521 is a prime.

Together with 116565521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116565521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58282761 + 58282762.

It is an arithmetic number, because the mean of its divisors is an integer number (58282762).

Almost surely, 2^116565523 is an apocalyptic number.

116565523 is a deficient number, since it is larger than the sum of its proper divisors (1).

116565523 is an equidigital number, since it uses as much as digits as its factorization.

116565523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 116565523 is about 10796.5514401590. The cubic root of 116565523 is about 488.4911562113.

The spelling of 116565523 in words is "one hundred sixteen million, five hundred sixty-five thousand, five hundred twenty-three".