2256847123 has 2 divisors, whose sum is σ = 2256847124. Its totient is φ = 2256847122.

The previous prime is 2256847093. The next prime is 2256847127. The reversal of 2256847123 is 3217486522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256847123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256847127) 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 as a sum of consecutive naturals, namely, 1128423561 + 1128423562.

It is an arithmetic number, because the mean of its divisors is an integer number (1128423562).

Almost surely, 2^2256847123 is an apocalyptic number.

2256847123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256847123 is an equidigital number, since it uses as much as digits as its factorization.

2256847123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 2256847123 is about 47506.2850894490. The cubic root of 2256847123 is about 1311.6985761159.

The spelling of 2256847123 in words is "two billion, two hundred fifty-six million, eight hundred forty-seven thousand, one hundred twenty-three".