47591423 has 4 divisors (see below), whose sum is σ = 51917928. Its totient is φ = 43264920.

The previous prime is 47591413. The next prime is 47591441. The reversal of 47591423 is 32419574.

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 47591423 - 2¹⁶ = 47525887 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 (47591413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163236 + ... + 2163257.

It is an arithmetic number, because the mean of its divisors is an integer number (12979482).

Almost surely, 2^47591423 is an apocalyptic number.

47591423 is a deficient number, since it is larger than the sum of its proper divisors (4326505).

47591423 is a wasteful number, since it uses less digits than its factorization.

47591423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326504.

The product of its digits is 30240, while the sum is 35.

The square root of 47591423 is about 6898.6537092392. The cubic root of 47591423 is about 362.3900210165.

The spelling of 47591423 in words is "forty-seven million, five hundred ninety-one thousand, four hundred twenty-three".