223032220231 has 4 divisors (see below), whose sum is σ = 223034879592. Its totient is φ = 223029560872.

The previous prime is 223032220223. The next prime is 223032220249. The reversal of 223032220231 is 132022230322.

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 223032220231 - 2³ = 223032220223 is a prime.

It is a super-2 number, since 2×223032220231² (a number of 23 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 (223032220031) 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, 1199641 + ... + 1373026.

It is an arithmetic number, because the mean of its divisors is an integer number (55758719898).

Almost surely, 2^223032220231 is an apocalyptic number.

223032220231 is a deficient number, since it is larger than the sum of its proper divisors (2659361).

223032220231 is an equidigital number, since it uses as much as digits as its factorization.

223032220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659360.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 223032220231 its reverse (132022230322), we get a palindrome (355054450553).

The spelling of 223032220231 in words is "two hundred twenty-three billion, thirty-two million, two hundred twenty thousand, two hundred thirty-one".