1343357843 has 8 divisors (see below), whose sum is σ = 1385372160. Its totient is φ = 1301985160.

The previous prime is 1343357837. The next prime is 1343357857. The reversal of 1343357843 is 3487533431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343357843 - 2¹⁴ = 1343341459 is a prime.

It is a super-2 number, since 2×1343357843² = 3609220588699225298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343357843.

It is not an unprimeable number, because it can be changed into a prime (1343357443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156155 + ... + 164532.

It is an arithmetic number, because the mean of its divisors is an integer number (173171520).

Almost surely, 2^1343357843 is an apocalyptic number.

1343357843 is a deficient number, since it is larger than the sum of its proper divisors (42014317).

1343357843 is an equidigital number, since it uses as much as digits as its factorization.

1343357843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320817.

The product of its digits is 362880, while the sum is 41.

The square root of 1343357843 is about 36651.8463791389. The cubic root of 1343357843 is about 1103.3938823866.

The spelling of 1343357843 in words is "one billion, three hundred forty-three million, three hundred fifty-seven thousand, eight hundred forty-three".