10009923 has 32 divisors (see below), whose sum is σ = 17625600. Its totient is φ = 4892160.

The previous prime is 10009921. The next prime is 10009933. The reversal of 10009923 is 32990001.

It is a happy number.

10009923 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10009923 - 2¹ = 10009921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10009893 and 10009902.

It is not an unprimeable number, because it can be changed into a prime (10009921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2653 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (550800).

Almost surely, 2^10009923 is an apocalyptic number.

10009923 is a deficient number, since it is larger than the sum of its proper divisors (7615677).

10009923 is a wasteful number, since it uses less digits than its factorization.

10009923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 10009923 is about 3163.8462352017. The cubic root of 10009923 is about 215.5147069633.

Adding to 10009923 its reverse (32990001), we get a palindrome (42999924).

The spelling of 10009923 in words is "ten million, nine thousand, nine hundred twenty-three".