2256923 has 2 divisors, whose sum is σ = 2256924. Its totient is φ = 2256922.

The previous prime is 2256913. The next prime is 2256931. The reversal of 2256923 is 3296522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256923 - 2¹⁰ = 2255899 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 5⁹ + 6⁷ + 9² + 2¹¹ + 3⁹ .

It is not a weakly prime, because it can be changed into another prime (2256913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128461 + 1128462.

It is an arithmetic number, because the mean of its divisors is an integer number (1128462).

2^2256923 is an apocalyptic number.

2256923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256923 is an equidigital number, since it uses as much as digits as its factorization.

2256923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 2256923 is about 1502.3058942839. The cubic root of 2256923 is about 131.1713276069.

The spelling of 2256923 in words is "two million, two hundred fifty-six thousand, nine hundred twenty-three".