47684023 has 4 divisors (see below), whose sum is σ = 48004200. Its totient is φ = 47363848.

The previous prime is 47684017. The next prime is 47684041. The reversal of 47684023 is 32048674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47684023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47684023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47684093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159865 + ... + 160162.

It is an arithmetic number, because the mean of its divisors is an integer number (12001050).

Almost surely, 2^47684023 is an apocalyptic number.

47684023 is a deficient number, since it is larger than the sum of its proper divisors (320177).

47684023 is a wasteful number, since it uses less digits than its factorization.

47684023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320176.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 47684023 is about 6905.3619021743. The cubic root of 47684023 is about 362.6249063022.

The spelling of 47684023 in words is "forty-seven million, six hundred eighty-four thousand, twenty-three".