1344013243 has 4 divisors (see below), whose sum is σ = 1345589728. Its totient is φ = 1342436760.

The previous prime is 1344013219. The next prime is 1344013249. The reversal of 1344013243 is 3423104431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344013243 - 2⁹ = 1344012731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344013249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786963 + ... + 788668.

It is an arithmetic number, because the mean of its divisors is an integer number (336397432).

Almost surely, 2^1344013243 is an apocalyptic number.

1344013243 is a deficient number, since it is larger than the sum of its proper divisors (1576485).

1344013243 is an equidigital number, since it uses as much as digits as its factorization.

1344013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576484.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1344013243 is about 36660.7861754218. The cubic root of 1344013243 is about 1103.5732951867.

Adding to 1344013243 its reverse (3423104431), we get a palindrome (4767117674).

The spelling of 1344013243 in words is "one billion, three hundred forty-four million, thirteen thousand, two hundred forty-three".