71542323 has 12 divisors (see below), whose sum is σ = 103866048. Its totient is φ = 47451600.

The previous prime is 71542301. The next prime is 71542337. The reversal of 71542323 is 32324517.

It is not a de Polignac number, because 71542323 - 2¹⁶ = 71476787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71542343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18403 + ... + 21948.

It is an arithmetic number, because the mean of its divisors is an integer number (8655504).

Almost surely, 2^71542323 is an apocalyptic number.

71542323 is a deficient number, since it is larger than the sum of its proper divisors (32323725).

71542323 is a wasteful number, since it uses less digits than its factorization.

71542323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40554 (or 40551 counting only the distinct ones).

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

The square root of 71542323 is about 8458.2695038643. The cubic root of 71542323 is about 415.1334027024.

The spelling of 71542323 in words is "seventy-one million, five hundred forty-two thousand, three hundred twenty-three".