10840423 has 4 divisors (see below), whose sum is σ = 11825928. Its totient is φ = 9854920.

The previous prime is 10840411. The next prime is 10840433. The reversal of 10840423 is 32404801.

10840423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10840423 - 2⁹ = 10839911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10840394 and 10840403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10840433) 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, 492736 + ... + 492757.

It is an arithmetic number, because the mean of its divisors is an integer number (2956482).

Almost surely, 2^10840423 is an apocalyptic number.

10840423 is a deficient number, since it is larger than the sum of its proper divisors (985505).

10840423 is an equidigital number, since it uses as much as digits as its factorization.

10840423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985504.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 10840423 is about 3292.4797645544. The cubic root of 10840423 is about 221.3173236130.

The spelling of 10840423 in words is "ten million, eight hundred forty thousand, four hundred twenty-three".