9965723 has 8 divisors (see below), whose sum is σ = 10798128. Its totient is φ = 9160704.

The previous prime is 9965717. The next prime is 9965729. The reversal of 9965723 is 3275699.

It is an interprime number because it is at equal distance from previous prime (9965717) and next prime (9965729).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9965723 - 2¹⁸ = 9703579 is a prime.

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 6⁷ + 5 + 7⁶ + 2³ + 3⁷ .

It is not an unprimeable number, because it can be changed into a prime (9965729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6086 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (1349766).

Almost surely, 2^9965723 is an apocalyptic number.

9965723 is a deficient number, since it is larger than the sum of its proper divisors (832405).

9965723 is a wasteful number, since it uses less digits than its factorization.

9965723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13693.

The product of its digits is 102060, while the sum is 41.

The square root of 9965723 is about 3156.8533383735. The cubic root of 9965723 is about 215.1970286876.

The spelling of 9965723 in words is "nine million, nine hundred sixty-five thousand, seven hundred twenty-three".