8521023 has 8 divisors (see below), whose sum is σ = 12984448. Its totient is φ = 4869144.

The previous prime is 8521021. The next prime is 8521061. The reversal of 8521023 is 3201258.

8521023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8521023 - 2¹ = 8521021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 405763 = 8521023 / (8 + 5 + 2 + 1 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202861 + ... + 202902.

It is an arithmetic number, because the mean of its divisors is an integer number (1623056).

Almost surely, 2^8521023 is an apocalyptic number.

8521023 is a deficient number, since it is larger than the sum of its proper divisors (4463425).

8521023 is a wasteful number, since it uses less digits than its factorization.

8521023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405773.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8521023 is about 2919.0791356179. The cubic root of 8521023 is about 204.2508687996.

The spelling of 8521023 in words is "eight million, five hundred twenty-one thousand, twenty-three".