1223104231 has 2 divisors, whose sum is σ = 1223104232. Its totient is φ = 1223104230.

The previous prime is 1223104177. The next prime is 1223104237. The reversal of 1223104231 is 1324013221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1324013221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223104231 - 2⁹ = 1223103719 is a prime.

It is a super-2 number, since 2×1223104231² = 2991967919780202722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223104199 and 1223104208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223104237) 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, 611552115 + 611552116.

It is an arithmetic number, because the mean of its divisors is an integer number (611552116).

Almost surely, 2^1223104231 is an apocalyptic number.

1223104231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223104231 is an equidigital number, since it uses as much as digits as its factorization.

1223104231 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.

The square root of 1223104231 is about 34972.9070996393. The cubic root of 1223104231 is about 1069.4352366513.

Adding to 1223104231 its reverse (1324013221), we get a palindrome (2547117452).

The spelling of 1223104231 in words is "one billion, two hundred twenty-three million, one hundred four thousand, two hundred thirty-one".