223020112231 has 4 divisors (see below), whose sum is σ = 254880128272. Its totient is φ = 191160096192.

The previous prime is 223020112229. The next prime is 223020112339. The reversal of 223020112231 is 132211020322.

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 223020112231 - 2¹ = 223020112229 is a prime.

It is a super-2 number, since 2×223020112231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223020112199 and 223020112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223020112201) 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, 15930008010 + ... + 15930008023.

It is an arithmetic number, because the mean of its divisors is an integer number (63720032068).

Almost surely, 2^223020112231 is an apocalyptic number.

223020112231 is a deficient number, since it is larger than the sum of its proper divisors (31860016041).

223020112231 is an equidigital number, since it uses as much as digits as its factorization.

223020112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31860016040.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 223020112231 its reverse (132211020322), we get a palindrome (355231132553).

The spelling of 223020112231 in words is "two hundred twenty-three billion, twenty million, one hundred twelve thousand, two hundred thirty-one".