23223231181 has 2 divisors, whose sum is σ = 23223231182. Its totient is φ = 23223231180.

The previous prime is 23223231179. The next prime is 23223231223. The reversal of 23223231181 is 18113232232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17517846025 + 5705385156 = 132355^2 + 75534^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223231181 - 2¹ = 23223231179 is a prime.

It is a super-2 number, since 2×23223231181² (a number of 22 digits) contains 22 as substring.

Together with 23223231179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223231151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611615590 + 11611615591.

It is an arithmetic number, because the mean of its divisors is an integer number (11611615591).

Almost surely, 2^23223231181 is an apocalyptic number.

It is an amenable number.

23223231181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223231181 is an equidigital number, since it uses as much as digits as its factorization.

23223231181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The spelling of 23223231181 in words is "twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred eighty-one".