223120324231 has 16 divisors (see below), whose sum is σ = 258957634816. Its totient is φ = 188277224256.

The previous prime is 223120324211. The next prime is 223120324237. The reversal of 223120324231 is 132423021322.

It is a cyclic number.

It is not a de Polignac number, because 223120324231 - 2¹⁹ = 223119799943 is a prime.

It is a super-3 number, since 3×223120324231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223120324196 and 223120324205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223120324237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633580 + ... + 920686.

It is an arithmetic number, because the mean of its divisors is an integer number (16184852176).

Almost surely, 2^223120324231 is an apocalyptic number.

223120324231 is a deficient number, since it is larger than the sum of its proper divisors (35837310585).

223120324231 is a wasteful number, since it uses less digits than its factorization.

223120324231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288838.

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

Adding to 223120324231 its reverse (132423021322), we get a palindrome (355543345553).

The spelling of 223120324231 in words is "two hundred twenty-three billion, one hundred twenty million, three hundred twenty-four thousand, two hundred thirty-one".