223806620831 has 4 divisors (see below), whose sum is σ = 236971716192. Its totient is φ = 210641525472.

The previous prime is 223806620783. The next prime is 223806620861. The reversal of 223806620831 is 138026608322.

223806620831 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 223806620831 - 2¹⁰ = 223806619807 is a prime.

It is a super-2 number, since 2×223806620831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223806620861) 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 3 ways as a sum of consecutive naturals, for example, 6582547655 + ... + 6582547688.

It is an arithmetic number, because the mean of its divisors is an integer number (59242929048).

Almost surely, 2^223806620831 is an apocalyptic number.

223806620831 is a deficient number, since it is larger than the sum of its proper divisors (13165095361).

223806620831 is a wasteful number, since it uses less digits than its factorization.

223806620831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165095360.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 223806620831 in words is "two hundred twenty-three billion, eight hundred six million, six hundred twenty thousand, eight hundred thirty-one".