2256323600503 has 4 divisors (see below), whose sum is σ = 2578655543440. Its totient is φ = 1933991657568.

The previous prime is 2256323600473. The next prime is 2256323600513. The reversal of 2256323600503 is 3050063236522.

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-2256323600503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256323600513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161165971458 + ... + 161165971471.

It is an arithmetic number, because the mean of its divisors is an integer number (644663885860).

Almost surely, 2^{2256323600503} is an apocalyptic number.

2256323600503 is a deficient number, since it is larger than the sum of its proper divisors (322331942937).

2256323600503 is an equidigital number, since it uses as much as digits as its factorization.

2256323600503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322331942936.

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 2256323600503 in words is "two trillion, two hundred fifty-six billion, three hundred twenty-three million, six hundred thousand, five hundred three".