71344523 has 2 divisors, whose sum is σ = 71344524. Its totient is φ = 71344522.

The previous prime is 71344501. The next prime is 71344541. The reversal of 71344523 is 32544317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71344523 - 2¹⁸ = 71082379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71343523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35672261 + 35672262.

It is an arithmetic number, because the mean of its divisors is an integer number (35672262).

Almost surely, 2^71344523 is an apocalyptic number.

71344523 is a deficient number, since it is larger than the sum of its proper divisors (1).

71344523 is an equidigital number, since it uses as much as digits as its factorization.

71344523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 71344523 is about 8446.5687116130. The cubic root of 71344523 is about 414.7504630397.

The spelling of 71344523 in words is "seventy-one million, three hundred forty-four thousand, five hundred twenty-three".