71230423 has 4 divisors (see below), whose sum is σ = 77705928. Its totient is φ = 64754920.

The previous prime is 71230421. The next prime is 71230433. The reversal of 71230423 is 32403217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71230423 - 2¹ = 71230421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71230394 and 71230403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71230421) 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 in 3 ways as a sum of consecutive naturals, for example, 3237736 + ... + 3237757.

It is an arithmetic number, because the mean of its divisors is an integer number (19426482).

Almost surely, 2^71230423 is an apocalyptic number.

71230423 is a deficient number, since it is larger than the sum of its proper divisors (6475505).

71230423 is a wasteful number, since it uses less digits than its factorization.

71230423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475504.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 71230423 is about 8439.8117870009. The cubic root of 71230423 is about 414.5292441060.

The spelling of 71230423 in words is "seventy-one million, two hundred thirty thousand, four hundred twenty-three".