256223830575 has 12 divisors (see below), whose sum is σ = 423623400008. Its totient is φ = 136652709600.

The previous prime is 256223830547. The next prime is 256223830589. The reversal of 256223830575 is 575038322652.

It is not a de Polignac number, because 256223830575 - 2⁵ = 256223830543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1708158796 + ... + 1708158945.

Almost surely, 2^256223830575 is an apocalyptic number.

256223830575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256223830575 is a deficient number, since it is larger than the sum of its proper divisors (167399569433).

256223830575 is a wasteful number, since it uses less digits than its factorization.

256223830575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416317754 (or 3416317749 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 256223830575 in words is "two hundred fifty-six billion, two hundred twenty-three million, eight hundred thirty thousand, five hundred seventy-five".