9723229 has 2 divisors, whose sum is σ = 9723230. Its totient is φ = 9723228.

The previous prime is 9723211. The next prime is 9723239. The reversal of 9723229 is 9223279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 3523129 = 2490^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 9723229 - 2¹¹ = 9721181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9723194 and 9723203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9723239) 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 as a sum of consecutive naturals, namely, 4861614 + 4861615.

It is an arithmetic number, because the mean of its divisors is an integer number (4861615).

Almost surely, 2^9723229 is an apocalyptic number.

It is an amenable number.

9723229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9723229 is an equidigital number, since it uses as much as digits as its factorization.

9723229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 9723229 is about 3118.2092617398. The cubic root of 9723229 is about 213.4372277692.

The spelling of 9723229 in words is "nine million, seven hundred twenty-three thousand, two hundred twenty-nine".