1344142243 has 2 divisors, whose sum is σ = 1344142244. Its totient is φ = 1344142242.

The previous prime is 1344142231. The next prime is 1344142249. The reversal of 1344142243 is 3422414431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1344142243 - 2⁹ = 1344141731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344142249) 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, 672071121 + 672071122.

It is an arithmetic number, because the mean of its divisors is an integer number (672071122).

Almost surely, 2^1344142243 is an apocalyptic number.

1344142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344142243 is an equidigital number, since it uses as much as digits as its factorization.

1344142243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 1344142243 is about 36662.5455062793. The cubic root of 1344142243 is about 1103.6086014858.

Adding to 1344142243 its reverse (3422414431), we get a palindrome (4766556674).

The spelling of 1344142243 in words is "one billion, three hundred forty-four million, one hundred forty-two thousand, two hundred forty-three".