9442423321 has 2 divisors, whose sum is σ = 9442423322. Its totient is φ = 9442423320.

The previous prime is 9442423283. The next prime is 9442423327. The reversal of 9442423321 is 1233242449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4978713600 + 4463709721 = 70560^2 + 66811^2 .

It is a cyclic number.

It is not a de Polignac number, because 9442423321 - 2¹¹ = 9442421273 is a prime.

It is not a weakly prime, because it can be changed into another prime (9442423327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4721211660 + 4721211661.

It is an arithmetic number, because the mean of its divisors is an integer number (4721211661).

Almost surely, 2^9442423321 is an apocalyptic number.

It is an amenable number.

9442423321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9442423321 is an equidigital number, since it uses as much as digits as its factorization.

9442423321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 9442423321 is about 97172.1324300337. The cubic root of 9442423321 is about 2113.6244408175.

The spelling of 9442423321 in words is "nine billion, four hundred forty-two million, four hundred twenty-three thousand, three hundred twenty-one".