9442723 has 4 divisors (see below), whose sum is σ = 9643680. Its totient is φ = 9241768.

The previous prime is 9442717. The next prime is 9442729. The reversal of 9442723 is 3272449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3272449 = 17 ⋅192497.

It is an interprime number because it is at equal distance from previous prime (9442717) and next prime (9442729).

It is a cyclic number.

It is not a de Polignac number, because 9442723 - 2⁵ = 9442691 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 9³ + 4⁶ + 4¹⁰ + 2⁷ + 7³ + 2²³ + 3⁵ .

It is a Duffinian number.

9442723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9442729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100408 + ... + 100501.

It is an arithmetic number, because the mean of its divisors is an integer number (2410920).

Almost surely, 2^9442723 is an apocalyptic number.

9442723 is a deficient number, since it is larger than the sum of its proper divisors (200957).

9442723 is a wasteful number, since it uses less digits than its factorization.

9442723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200956.

The product of its digits is 12096, while the sum is 31.

The square root of 9442723 is about 3072.9013977022. The cubic root of 9442723 is about 211.3646800973.

The spelling of 9442723 in words is "nine million, four hundred forty-two thousand, seven hundred twenty-three".