8520023 has 2 divisors, whose sum is σ = 8520024. Its totient is φ = 8520022.

The previous prime is 8520011. The next prime is 8520041. The reversal of 8520023 is 3200258.

8520023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8520023 - 2⁴ = 8520007 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 8519977 and 8520004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8520623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260011 + 4260012.

It is an arithmetic number, because the mean of its divisors is an integer number (4260012).

Almost surely, 2^8520023 is an apocalyptic number.

8520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

8520023 is an equidigital number, since it uses as much as digits as its factorization.

8520023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 8520023 is about 2918.9078436977. The cubic root of 8520023 is about 204.2428784109.

The spelling of 8520023 in words is "eight million, five hundred twenty thousand, twenty-three".