56814661223 has 4 divisors (see below), whose sum is σ = 56907344808. Its totient is φ = 56721977640.

The previous prime is 56814661207. The next prime is 56814661243. The reversal of 56814661223 is 32216641865.

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 56814661223 - 2⁴ = 56814661207 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 (56814661243) 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, 46340873 + ... + 46342098.

It is an arithmetic number, because the mean of its divisors is an integer number (14226836202).

Almost surely, 2^56814661223 is an apocalyptic number.

56814661223 is a deficient number, since it is larger than the sum of its proper divisors (92683585).

56814661223 is an equidigital number, since it uses as much as digits as its factorization.

56814661223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92683584.

The product of its digits is 414720, while the sum is 44.

The spelling of 56814661223 in words is "fifty-six billion, eight hundred fourteen million, six hundred sixty-one thousand, two hundred twenty-three".