23220223231 has 2 divisors, whose sum is σ = 23220223232. Its totient is φ = 23220223230.

The previous prime is 23220223219. The next prime is 23220223277. The reversal of 23220223231 is 13232202232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23220223231 - 2¹⁵ = 23220190463 is a prime.

It is a super-2 number, since 2×23220223231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23220223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610111615 + 11610111616.

It is an arithmetic number, because the mean of its divisors is an integer number (11610111616).

Almost surely, 2^23220223231 is an apocalyptic number.

23220223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220223231 is an equidigital number, since it uses as much as digits as its factorization.

23220223231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23220223231 its reverse (13232202232), we get a palindrome (36452425463).

The spelling of 23220223231 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-three thousand, two hundred thirty-one".