71345223 has 24 divisors (see below), whose sum is σ = 105159600. Its totient is φ = 46602240.

The previous prime is 71345221. The next prime is 71345227. The reversal of 71345223 is 32254317.

71345223 is a `hidden beast` number, since 7 + 134 + 522 + 3 = 666.

It is not a de Polignac number, because 71345223 - 2¹ = 71345221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71345221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110983 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (4381650).

Almost surely, 2^71345223 is an apocalyptic number.

71345223 is a deficient number, since it is larger than the sum of its proper divisors (33814377).

71345223 is a wasteful number, since it uses less digits than its factorization.

71345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 876 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 71345223 is about 8446.6101484560. The cubic root of 71345223 is about 414.7518194828.

The spelling of 71345223 in words is "seventy-one million, three hundred forty-five thousand, two hundred twenty-three".