47847523 has 2 divisors, whose sum is σ = 47847524. Its totient is φ = 47847522.

The previous prime is 47847493. The next prime is 47847563. The reversal of 47847523 is 32574874.

It is an a-pointer prime, because the next prime (47847563) can be obtained adding 47847523 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47847523 - 2⁹ = 47847011 is a prime.

It is not a weakly prime, because it can be changed into another prime (47847563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23923761 + 23923762.

It is an arithmetic number, because the mean of its divisors is an integer number (23923762).

Almost surely, 2^47847523 is an apocalyptic number.

47847523 is a deficient number, since it is larger than the sum of its proper divisors (1).

47847523 is an equidigital number, since it uses as much as digits as its factorization.

47847523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 47847523 is about 6917.1903978422. The cubic root of 47847523 is about 363.0388921843.

The spelling of 47847523 in words is "forty-seven million, eight hundred forty-seven thousand, five hundred twenty-three".