223032211231 has 2 divisors, whose sum is σ = 223032211232. Its totient is φ = 223032211230.

The previous prime is 223032211217. The next prime is 223032211267. The reversal of 223032211231 is 132112230322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223032211231 - 2¹⁵ = 223032178463 is a prime.

It is a super-2 number, since 2×223032211231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223032211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111516105615 + 111516105616.

It is an arithmetic number, because the mean of its divisors is an integer number (111516105616).

Almost surely, 2^223032211231 is an apocalyptic number.

223032211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223032211231 is an equidigital number, since it uses as much as digits as its factorization.

223032211231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223032211231 its reverse (132112230322), we get a palindrome (355144441553).

The spelling of 223032211231 in words is "two hundred twenty-three billion, thirty-two million, two hundred eleven thousand, two hundred thirty-one".