9117396523 has 8 divisors (see below), whose sum is σ = 9142705440. Its totient is φ = 9092109120.

The previous prime is 9117396521. The next prime is 9117396571. The reversal of 9117396523 is 3256937119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9117396523 - 2¹ = 9117396521 is a prime.

It is a super-2 number, since 2×9117396523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9117396521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199511 + ... + 1207087.

It is an arithmetic number, because the mean of its divisors is an integer number (1142838180).

Almost surely, 2^9117396523 is an apocalyptic number.

9117396523 is a deficient number, since it is larger than the sum of its proper divisors (25308917).

9117396523 is a wasteful number, since it uses less digits than its factorization.

9117396523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757.

The product of its digits is 306180, while the sum is 46.

The square root of 9117396523 is about 95485.0591611065. The cubic root of 9117396523 is about 2089.0890257737.

The spelling of 9117396523 in words is "nine billion, one hundred seventeen million, three hundred ninety-six thousand, five hundred twenty-three".