71423159 has 8 divisors (see below), whose sum is σ = 71942640. Its totient is φ = 70906176.

The previous prime is 71423153. The next prime is 71423161. The reversal of 71423159 is 95132417.

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 71423159 - 2¹⁶ = 71357623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71423153) 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, 156059 + ... + 156515.

It is an arithmetic number, because the mean of its divisors is an integer number (8992830).

Almost surely, 2^71423159 is an apocalyptic number.

71423159 is a deficient number, since it is larger than the sum of its proper divisors (519481).

71423159 is a wasteful number, since it uses less digits than its factorization.

71423159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its digits is 7560, while the sum is 32.

The square root of 71423159 is about 8451.2223376267. Note that the first 3 decimals coincide. The cubic root of 71423159 is about 414.9027865391.

It can be divided in two parts, 7142 and 3159, that added together give a palindrome (10301).

The spelling of 71423159 in words is "seventy-one million, four hundred twenty-three thousand, one hundred fifty-nine".