2256566323 has 32 divisors (see below), whose sum is σ = 2604672000. Its totient is φ = 1936224000.

The previous prime is 2256566321. The next prime is 2256566327. The reversal of 2256566323 is 3236656522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2256566323 - 2¹ = 2256566321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256566321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4521928 + ... + 4522426.

It is an arithmetic number, because the mean of its divisors is an integer number (81396000).

Almost surely, 2^2256566323 is an apocalyptic number.

2256566323 is a deficient number, since it is larger than the sum of its proper divisors (348105677).

2256566323 is a wasteful number, since it uses less digits than its factorization.

2256566323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 388800, while the sum is 40.

The square root of 2256566323 is about 47503.3295990923. The cubic root of 2256566323 is about 1311.6441727503.

It can be divided in two parts, 22565 and 66323, that added together give a palindrome (88888).

The spelling of 2256566323 in words is "two billion, two hundred fifty-six million, five hundred sixty-six thousand, three hundred twenty-three".