71707423 has 2 divisors, whose sum is σ = 71707424. Its totient is φ = 71707422.

The previous prime is 71707421. The next prime is 71707439. The reversal of 71707423 is 32470717.

It is a weak prime.

It is an emirp because it is prime and its reverse (32470717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71707423 - 2¹ = 71707421 is a prime.

Together with 71707421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71707421) 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, 35853711 + 35853712.

It is an arithmetic number, because the mean of its divisors is an integer number (35853712).

Almost surely, 2^71707423 is an apocalyptic number.

71707423 is a deficient number, since it is larger than the sum of its proper divisors (1).

71707423 is an equidigital number, since it uses as much as digits as its factorization.

71707423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 71707423 is about 8468.0235592492. The cubic root of 71707423 is about 415.4524952652.

The spelling of 71707423 in words is "seventy-one million, seven hundred seven thousand, four hundred twenty-three".