8538723403365 has 16 divisors (see below), whose sum is σ = 13662985674816. Its totient is φ = 4553643072000.

The previous prime is 8538723403321. The next prime is 8538723403391. The reversal of 8538723403365 is 5633043278358.

It is a happy number.

It is not a de Polignac number, because 8538723403365 - 2¹¹ = 8538723401317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21215436 + ... + 21614165.

It is an arithmetic number, because the mean of its divisors is an integer number (853936604676).

Almost surely, 2^{8538723403365} is an apocalyptic number.

It is an amenable number.

8538723403365 is a deficient number, since it is larger than the sum of its proper divisors (5124262271451).

8538723403365 is a wasteful number, since it uses less digits than its factorization.

8538723403365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42842900.

The product of its (nonzero) digits is 43545600, while the sum is 57.

The spelling of 8538723403365 in words is "eight trillion, five hundred thirty-eight billion, seven hundred twenty-three million, four hundred three thousand, three hundred sixty-five".