223021210231 has 2 divisors, whose sum is σ = 223021210232. Its totient is φ = 223021210230.

The previous prime is 223021210187. The next prime is 223021210253. The reversal of 223021210231 is 132012120322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223021210231 - 2¹⁷ = 223021079159 is a prime.

It is a super-2 number, since 2×223021210231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223021210199 and 223021210208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223021210261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510605115 + 111510605116.

It is an arithmetic number, because the mean of its divisors is an integer number (111510605116).

Almost surely, 2^223021210231 is an apocalyptic number.

223021210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021210231 is an equidigital number, since it uses as much as digits as its factorization.

223021210231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 223021210231 its reverse (132012120322), we get a palindrome (355033330553).

The spelling of 223021210231 in words is "two hundred twenty-three billion, twenty-one million, two hundred ten thousand, two hundred thirty-one".