3685657847423 has 8 divisors (see below), whose sum is σ = 3727108793760. Its totient is φ = 3644345766240.

The previous prime is 3685657847407. The next prime is 3685657847461. The reversal of 3685657847423 is 3247487565863.

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 3685657847423 - 2⁴ = 3685657847407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685657547423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34662908 + ... + 34769073.

It is an arithmetic number, because the mean of its divisors is an integer number (465888599220).

Almost surely, 2^{3685657847423} is an apocalyptic number.

3685657847423 is a deficient number, since it is larger than the sum of its proper divisors (41450946337).

3685657847423 is a wasteful number, since it uses less digits than its factorization.

3685657847423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69432577.

The product of its digits is 812851200, while the sum is 68.

The spelling of 3685657847423 in words is "three trillion, six hundred eighty-five billion, six hundred fifty-seven million, eight hundred forty-seven thousand, four hundred twenty-three".