47697523 has 2 divisors, whose sum is σ = 47697524. Its totient is φ = 47697522.

The previous prime is 47697521. The next prime is 47697541. The reversal of 47697523 is 32579674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47697523 - 2¹ = 47697521 is a prime.

Together with 47697521, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47697523.

It is not a weakly prime, because it can be changed into another prime (47697521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23848761 + 23848762.

It is an arithmetic number, because the mean of its divisors is an integer number (23848762).

Almost surely, 2^47697523 is an apocalyptic number.

47697523 is a deficient number, since it is larger than the sum of its proper divisors (1).

47697523 is an equidigital number, since it uses as much as digits as its factorization.

47697523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 47697523 is about 6906.3393342638. The cubic root of 47697523 is about 362.6591244324.

The spelling of 47697523 in words is "forty-seven million, six hundred ninety-seven thousand, five hundred twenty-three".