71063023 has 4 divisors (see below), whose sum is σ = 71919288. Its totient is φ = 70206760.

The previous prime is 71063011. The next prime is 71063033. The reversal of 71063023 is 32036017.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71063023 - 2⁵ = 71062991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71062985 and 71063003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71063033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428008 + ... + 428173.

It is an arithmetic number, because the mean of its divisors is an integer number (17979822).

Almost surely, 2^71063023 is an apocalyptic number.

71063023 is a deficient number, since it is larger than the sum of its proper divisors (856265).

71063023 is an equidigital number, since it uses as much as digits as its factorization.

71063023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856264.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 71063023 is about 8429.8886706765. Note that the first 3 decimals coincide. The cubic root of 71063023 is about 414.2042583130.

The spelling of 71063023 in words is "seventy-one million, sixty-three thousand, twenty-three".