10009523 has 8 divisors (see below), whose sum is σ = 10565520. Its totient is φ = 9456480.

The previous prime is 10009511. The next prime is 10009567. The reversal of 10009523 is 32590001.

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 10009523 - 2⁴ = 10009507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10009495 and 10009504.

It is not an unprimeable number, because it can be changed into a prime (10009423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12161 + ... + 12957.

It is an arithmetic number, because the mean of its divisors is an integer number (1320690).

Almost surely, 2^10009523 is an apocalyptic number.

10009523 is a deficient number, since it is larger than the sum of its proper divisors (555997).

10009523 is an equidigital number, since it uses as much as digits as its factorization.

10009523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 10009523 is about 3163.7830203729. The cubic root of 10009523 is about 215.5118362442.

Adding to 10009523 its reverse (32590001), we get a palindrome (42599524).

The spelling of 10009523 in words is "ten million, nine thousand, five hundred twenty-three".