47680823 has 4 divisors (see below), whose sum is σ = 50190360. Its totient is φ = 45171288.

The previous prime is 47680807. The next prime is 47680837. The reversal of 47680823 is 32808674.

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

It is a cyclic number.

It is not a de Polignac number, because 47680823 - 2⁴ = 47680807 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 (47680723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254740 + ... + 1254777.

It is an arithmetic number, because the mean of its divisors is an integer number (12547590).

Almost surely, 2^47680823 is an apocalyptic number.

47680823 is a deficient number, since it is larger than the sum of its proper divisors (2509537).

47680823 is a wasteful number, since it uses less digits than its factorization.

47680823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509536.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47680823 is about 6905.1301942831. The cubic root of 47680823 is about 362.6167943912.

The spelling of 47680823 in words is "forty-seven million, six hundred eighty thousand, eight hundred twenty-three".