9021023 has 4 divisors (see below), whose sum is σ = 9841128. Its totient is φ = 8200920.

The previous prime is 9020993. The next prime is 9021043. The reversal of 9021023 is 3201209.

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 9021023 - 2¹⁸ = 8758879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9020992 and 9021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410036 + ... + 410057.

It is an arithmetic number, because the mean of its divisors is an integer number (2460282).

Almost surely, 2^9021023 is an apocalyptic number.

9021023 is a deficient number, since it is larger than the sum of its proper divisors (820105).

9021023 is a wasteful number, since it uses less digits than its factorization.

9021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820104.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 9021023 is about 3003.5017895783. The cubic root of 9021023 is about 208.1702178502.

The spelling of 9021023 in words is "nine million, twenty-one thousand, twenty-three".