9023020321 has 16 divisors (see below), whose sum is σ = 10383318400. Its totient is φ = 7680666240.

The previous prime is 9023020309. The next prime is 9023020361. The reversal of 9023020321 is 1230203209.

It is a cyclic number.

It is not a de Polignac number, because 9023020321 - 2⁹ = 9023019809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9023020292 and 9023020301.

It is not an unprimeable number, because it can be changed into a prime (9023020361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992605 + ... + 1001653.

It is an arithmetic number, because the mean of its divisors is an integer number (648957400).

Almost surely, 2^9023020321 is an apocalyptic number.

It is an amenable number.

9023020321 is a deficient number, since it is larger than the sum of its proper divisors (1360298079).

9023020321 is a wasteful number, since it uses less digits than its factorization.

9023020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 9023020321 is about 94989.5800653945. The cubic root of 9023020321 is about 2081.8558019018.

The spelling of 9023020321 in words is "nine billion, twenty-three million, twenty thousand, three hundred twenty-one".