71015023 has 2 divisors, whose sum is σ = 71015024. Its totient is φ = 71015022.

The previous prime is 71015003. The next prime is 71015029. The reversal of 71015023 is 32051017.

It is a strong prime.

It is an emirp because it is prime and its reverse (32051017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71015023 - 2⁵ = 71014991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71015029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35507511 + 35507512.

It is an arithmetic number, because the mean of its divisors is an integer number (35507512).

Almost surely, 2^71015023 is an apocalyptic number.

71015023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71015023 is an equidigital number, since it uses as much as digits as its factorization.

71015023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 71015023 is about 8427.0411770680. The cubic root of 71015023 is about 414.1109782841.

The spelling of 71015023 in words is "seventy-one million, fifteen thousand, twenty-three".