256027623 has 8 divisors (see below), whose sum is σ = 342836208. Its totient is φ = 169952064.

The previous prime is 256027621. The next prime is 256027637. The reversal of 256027623 is 326720652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256027623 - 2¹ = 256027621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256027621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182440 + ... + 183837.

It is an arithmetic number, because the mean of its divisors is an integer number (42854526).

Almost surely, 2^256027623 is an apocalyptic number.

256027623 is a deficient number, since it is larger than the sum of its proper divisors (86808585).

256027623 is a wasteful number, since it uses less digits than its factorization.

256027623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366513.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 256027623 is about 16000.8631954654. The cubic root of 256027623 is about 634.9832578718.

The spelling of 256027623 in words is "two hundred fifty-six million, twenty-seven thousand, six hundred twenty-three".