2560423 has 4 divisors (see below), whose sum is σ = 2603880. Its totient is φ = 2516968.

The previous prime is 2560417. The next prime is 2560427. The reversal of 2560423 is 3240652.

It is a happy number.

2560423 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-2560423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2560394 and 2560403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560427) 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 3 ways as a sum of consecutive naturals, for example, 21640 + ... + 21757.

It is an arithmetic number, because the mean of its divisors is an integer number (650970).

2^2560423 is an apocalyptic number.

2560423 is a deficient number, since it is larger than the sum of its proper divisors (43457).

2560423 is an equidigital number, since it uses as much as digits as its factorization.

2560423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43456.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2560423 is about 1600.1321820400. The cubic root of 2560423 is about 136.8056099007.

The spelling of 2560423 in words is "two million, five hundred sixty thousand, four hundred twenty-three".