9971023 has 8 divisors (see below), whose sum is σ = 10134720. Its totient is φ = 9808800.

The previous prime is 9970981. The next prime is 9971033. The reversal of 9971023 is 3201799.

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 9971023 - 2²¹ = 7873871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26986 + ... + 27352.

It is an arithmetic number, because the mean of its divisors is an integer number (1266840).

Almost surely, 2^9971023 is an apocalyptic number.

9971023 is a deficient number, since it is larger than the sum of its proper divisors (163697).

9971023 is a wasteful number, since it uses less digits than its factorization.

9971023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9971023 is about 3157.6926702895. The cubic root of 9971023 is about 215.2351708315.

The spelling of 9971023 in words is "nine million, nine hundred seventy-one thousand, twenty-three".