9838723 has 2 divisors, whose sum is σ = 9838724. Its totient is φ = 9838722.

The previous prime is 9838693. The next prime is 9838727. The reversal of 9838723 is 3278389.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3278389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9838723 - 2⁵ = 9838691 is a prime.

It is an alternating number because its digits alternate between odd and even.

9838723 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9838727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4919361 + 4919362.

It is an arithmetic number, because the mean of its divisors is an integer number (4919362).

Almost surely, 2^9838723 is an apocalyptic number.

9838723 is a deficient number, since it is larger than the sum of its proper divisors (1).

9838723 is an equidigital number, since it uses as much as digits as its factorization.

9838723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 9838723 is about 3136.6738753017. The cubic root of 9838723 is about 214.2789836828.

The spelling of 9838723 in words is "nine million, eight hundred thirty-eight thousand, seven hundred twenty-three".