223034221231 has 4 divisors (see below), whose sum is σ = 223863345000. Its totient is φ = 222205097464.

The previous prime is 223034221187. The next prime is 223034221247. The reversal of 223034221231 is 132122430322.

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 223034221231 - 2⁹ = 223034220719 is a prime.

It is a super-2 number, since 2×223034221231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223034221196 and 223034221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223034221271) 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, 414561481 + ... + 414562018.

It is an arithmetic number, because the mean of its divisors is an integer number (55965836250).

Almost surely, 2^223034221231 is an apocalyptic number.

223034221231 is a deficient number, since it is larger than the sum of its proper divisors (829123769).

223034221231 is an equidigital number, since it uses as much as digits as its factorization.

223034221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829123768.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223034221231 its reverse (132122430322), we get a palindrome (355156651553).

The spelling of 223034221231 in words is "two hundred twenty-three billion, thirty-four million, two hundred twenty-one thousand, two hundred thirty-one".