1343142443 has 4 divisors (see below), whose sum is σ = 1422150840. Its totient is φ = 1264134048.

The previous prime is 1343142397. The next prime is 1343142457. The reversal of 1343142443 is 3442413431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3442413431 = 1753 ⋅1963727.

It is a cyclic number.

It is not a de Polignac number, because 1343142443 - 2⁸ = 1343142187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343142643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39504173 + ... + 39504206.

It is an arithmetic number, because the mean of its divisors is an integer number (355537710).

Almost surely, 2^1343142443 is an apocalyptic number.

1343142443 is a deficient number, since it is larger than the sum of its proper divisors (79008397).

1343142443 is an equidigital number, since it uses as much as digits as its factorization.

1343142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79008396.

The product of its digits is 13824, while the sum is 29.

The square root of 1343142443 is about 36648.9078009154. The cubic root of 1343142443 is about 1103.3349048656.

Adding to 1343142443 its reverse (3442413431), we get a palindrome (4785555874).

The spelling of 1343142443 in words is "one billion, three hundred forty-three million, one hundred forty-two thousand, four hundred forty-three".