2256423 has 16 divisors (see below), whose sum is σ = 3311616. Its totient is φ = 1357920.

The previous prime is 2256413. The next prime is 2256431. The reversal of 2256423 is 3246522.

2256423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2256423 - 2¹⁰ = 2255399 is a prime.

2256423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2256393 and 2256402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256413) 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 15 ways as a sum of consecutive naturals, for example, 1218 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (206976).

2^2256423 is an apocalyptic number.

2256423 is a deficient number, since it is larger than the sum of its proper divisors (1055193).

2256423 is a wasteful number, since it uses less digits than its factorization.

2256423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its digits is 2880, while the sum is 24.

The square root of 2256423 is about 1502.1394742167. The cubic root of 2256423 is about 131.1616403014.

Subtracting 2256423 from its reverse (3246522), we obtain a palindrome (990099).

The spelling of 2256423 in words is "two million, two hundred fifty-six thousand, four hundred twenty-three".