1243114343 has 2 divisors, whose sum is σ = 1243114344. Its totient is φ = 1243114342.

The previous prime is 1243114333. The next prime is 1243114361. The reversal of 1243114343 is 3434113421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1243114343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243114333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621557171 + 621557172.

It is an arithmetic number, because the mean of its divisors is an integer number (621557172).

Almost surely, 2^1243114343 is an apocalyptic number.

1243114343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243114343 is an equidigital number, since it uses as much as digits as its factorization.

1243114343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 1243114343 is about 35257.8266913887. The cubic root of 1243114343 is about 1075.2357422057.

Adding to 1243114343 its reverse (3434113421), we get a palindrome (4677227764).

The spelling of 1243114343 in words is "one billion, two hundred forty-three million, one hundred fourteen thousand, three hundred forty-three".