9724923 has 24 divisors (see below), whose sum is σ = 15487472. Its totient is φ = 5842368.

The previous prime is 9724921. The next prime is 9724927. The reversal of 9724923 is 3294279.

It is not a de Polignac number, because 9724923 - 2¹ = 9724921 is a prime.

9724923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9724921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4065 + ... + 5997.

Almost surely, 2^9724923 is an apocalyptic number.

9724923 is a deficient number, since it is larger than the sum of its proper divisors (5762549).

9724923 is a wasteful number, since it uses less digits than its factorization.

9724923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1992 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 9724923 is about 3118.4808801723. The cubic root of 9724923 is about 213.4496222001.

The spelling of 9724923 in words is "nine million, seven hundred twenty-four thousand, nine hundred twenty-three".