47816923 has 8 divisors (see below), whose sum is σ = 59616000. Its totient is φ = 37259880.

The previous prime is 47816893. The next prime is 47816933. The reversal of 47816923 is 32961874.

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

It is not a de Polignac number, because 47816923 - 2⁵ = 47816891 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47816933) 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, 310423 + ... + 310576.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^47816923 is an apocalyptic number.

47816923 is a deficient number, since it is larger than the sum of its proper divisors (11799077).

47816923 is a wasteful number, since it uses less digits than its factorization.

47816923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621017.

The product of its digits is 72576, while the sum is 40.

The square root of 47816923 is about 6914.9781633784. The cubic root of 47816923 is about 362.9614840733.

The spelling of 47816923 in words is "forty-seven million, eight hundred sixteen thousand, nine hundred twenty-three".