9681423 has 4 divisors (see below), whose sum is σ = 12908568. Its totient is φ = 6454280.

The previous prime is 9681421. The next prime is 9681437. The reversal of 9681423 is 3241869.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9681423 - 2¹ = 9681421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681421) 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 in 3 ways as a sum of consecutive naturals, for example, 1613568 + ... + 1613573.

It is an arithmetic number, because the mean of its divisors is an integer number (3227142).

Almost surely, 2^9681423 is an apocalyptic number.

9681423 is a deficient number, since it is larger than the sum of its proper divisors (3227145).

9681423 is a wasteful number, since it uses less digits than its factorization.

9681423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227144.

The product of its digits is 10368, while the sum is 33.

The square root of 9681423 is about 3111.4985135783. The cubic root of 9681423 is about 213.1308900371.

The spelling of 9681423 in words is "nine million, six hundred eighty-one thousand, four hundred twenty-three".