256224323 has 4 divisors (see below), whose sum is σ = 271296360. Its totient is φ = 241152288.

The previous prime is 256224317. The next prime is 256224343. The reversal of 256224323 is 323422652.

256224323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256224323 - 2¹⁶ = 256158787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256224343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7535993 + ... + 7536026.

It is an arithmetic number, because the mean of its divisors is an integer number (67824090).

Almost surely, 2^256224323 is an apocalyptic number.

256224323 is a deficient number, since it is larger than the sum of its proper divisors (15072037).

256224323 is a wasteful number, since it uses less digits than its factorization.

256224323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072036.

The product of its digits is 17280, while the sum is 29.

The square root of 256224323 is about 16007.0085587533. The cubic root of 256224323 is about 635.1458304786.

Adding to 256224323 its reverse (323422652), we get a palindrome (579646975).

The spelling of 256224323 in words is "two hundred fifty-six million, two hundred twenty-four thousand, three hundred twenty-three".