256441323 has 8 divisors (see below), whose sum is σ = 345307536. Its totient is φ = 169268000.

The previous prime is 256441301. The next prime is 256441327. The reversal of 256441323 is 323144652.

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

It is a cyclic number.

It is not a de Polignac number, because 256441323 - 2¹⁴ = 256424939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256441327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422868 + ... + 423473.

It is an arithmetic number, because the mean of its divisors is an integer number (43163442).

Almost surely, 2^256441323 is an apocalyptic number.

256441323 is a deficient number, since it is larger than the sum of its proper divisors (88866213).

256441323 is a wasteful number, since it uses less digits than its factorization.

256441323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846445.

The product of its digits is 17280, while the sum is 30.

The square root of 256441323 is about 16013.7854050815. The cubic root of 256441323 is about 635.3250845436.

Adding to 256441323 its reverse (323144652), we get a palindrome (579585975).

The spelling of 256441323 in words is "two hundred fifty-six million, four hundred forty-one thousand, three hundred twenty-three".