256260232223 has 4 divisors (see below), whose sum is σ = 257205842208. Its totient is φ = 255314622240.

The previous prime is 256260232183. The next prime is 256260232231. The reversal of 256260232223 is 322232062652.

It is a happy number.

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 256260232223 - 2²⁰ = 256259183647 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 (256260252223) 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, 472804586 + ... + 472805127.

It is an arithmetic number, because the mean of its divisors is an integer number (64301460552).

Almost surely, 2^256260232223 is an apocalyptic number.

256260232223 is a deficient number, since it is larger than the sum of its proper divisors (945609985).

256260232223 is an equidigital number, since it uses as much as digits as its factorization.

256260232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945609984.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 256260232223 its reverse (322232062652), we get a palindrome (578492294875).

The spelling of 256260232223 in words is "two hundred fifty-six billion, two hundred sixty million, two hundred thirty-two thousand, two hundred twenty-three".