71384423 has 8 divisors (see below), whose sum is σ = 78435840. Its totient is φ = 64426680.

The previous prime is 71384407. The next prime is 71384431. The reversal of 71384423 is 32448317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71384423 - 2⁴ = 71384407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71384423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71384623) 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 in 7 ways as a sum of consecutive naturals, for example, 21815 + ... + 24872.

It is an arithmetic number, because the mean of its divisors is an integer number (9804480).

Almost surely, 2^71384423 is an apocalyptic number.

71384423 is a deficient number, since it is larger than the sum of its proper divisors (7051417).

71384423 is a wasteful number, since it uses less digits than its factorization.

71384423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46837.

The product of its digits is 16128, while the sum is 32.

The square root of 71384423 is about 8448.9302873204. The cubic root of 71384423 is about 414.8277661447.

The spelling of 71384423 in words is "seventy-one million, three hundred eighty-four thousand, four hundred twenty-three".