1223144141 has 2 divisors, whose sum is σ = 1223144142. Its totient is φ = 1223144140.

The previous prime is 1223144119. The next prime is 1223144179. The reversal of 1223144141 is 1414413221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011558025 + 211586116 = 31805^2 + 14546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223144141 - 2⁶ = 1223144077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223144941) 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, 611572070 + 611572071.

It is an arithmetic number, because the mean of its divisors is an integer number (611572071).

Almost surely, 2^1223144141 is an apocalyptic number.

It is an amenable number.

1223144141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223144141 is an equidigital number, since it uses as much as digits as its factorization.

1223144141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 1223144141 is about 34973.4776795217. The cubic root of 1223144141 is about 1069.4468684471.

Adding to 1223144141 its reverse (1414413221), we get a palindrome (2637557362).

The spelling of 1223144141 in words is "one billion, two hundred twenty-three million, one hundred forty-four thousand, one hundred forty-one".