47175923 has 2 divisors, whose sum is σ = 47175924. Its totient is φ = 47175922.

The previous prime is 47175913. The next prime is 47175929. The reversal of 47175923 is 32957174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47175923 - 2¹⁶ = 47110387 is a prime.

It is not a weakly prime, because it can be changed into another prime (47175929) 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, 23587961 + 23587962.

It is an arithmetic number, because the mean of its divisors is an integer number (23587962).

Almost surely, 2^47175923 is an apocalyptic number.

47175923 is a deficient number, since it is larger than the sum of its proper divisors (1).

47175923 is an equidigital number, since it uses as much as digits as its factorization.

47175923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 47175923 is about 6868.4731199882. The cubic root of 47175923 is about 361.3323137100.

The spelling of 47175923 in words is "forty-seven million, one hundred seventy-five thousand, nine hundred twenty-three".