47791323 has 16 divisors (see below), whose sum is σ = 70973440. Its totient is φ = 31783752.

The previous prime is 47791277. The next prime is 47791343. The reversal of 47791323 is 32319774.

It is not a de Polignac number, because 47791323 - 2⁶ = 47791259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47791343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10590 + ... + 14412.

It is an arithmetic number, because the mean of its divisors is an integer number (4435840).

Almost surely, 2^47791323 is an apocalyptic number.

47791323 is a deficient number, since it is larger than the sum of its proper divisors (23182117).

47791323 is a wasteful number, since it uses less digits than its factorization.

47791323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4289 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 47791323 is about 6913.1268612691. The cubic root of 47791323 is about 362.8966989714.

The spelling of 47791323 in words is "forty-seven million, seven hundred ninety-one thousand, three hundred twenty-three".