52171423 has 2 divisors, whose sum is σ = 52171424. Its totient is φ = 52171422.

The previous prime is 52171417. The next prime is 52171477. The reversal of 52171423 is 32417125.

It is a happy number.

52171423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52171423 - 2¹³ = 52163231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52171123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085711 + 26085712.

It is an arithmetic number, because the mean of its divisors is an integer number (26085712).

Almost surely, 2^52171423 is an apocalyptic number.

52171423 is a deficient number, since it is larger than the sum of its proper divisors (1).

52171423 is an equidigital number, since it uses as much as digits as its factorization.

52171423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 52171423 is about 7222.9788176347. The cubic root of 52171423 is about 373.6608185335.

Adding to 52171423 its reverse (32417125), we get a palindrome (84588548).

The spelling of 52171423 in words is "fifty-two million, one hundred seventy-one thousand, four hundred twenty-three".