1343400543 has 12 divisors (see below), whose sum is σ = 1940929848. Its totient is φ = 895386960.

The previous prime is 1343400517. The next prime is 1343400587. The reversal of 1343400543 is 3450043431.

It is not a de Polignac number, because 1343400543 - 2⁶ = 1343400479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343400043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28396 + ... + 59102.

It is an arithmetic number, because the mean of its divisors is an integer number (161744154).

Almost surely, 2^1343400543 is an apocalyptic number.

1343400543 is a deficient number, since it is larger than the sum of its proper divisors (597529305).

1343400543 is a wasteful number, since it uses less digits than its factorization.

1343400543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35574 (or 35571 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1343400543 is about 36652.4288826812. The cubic root of 1343400543 is about 1103.4055730963.

Adding to 1343400543 its reverse (3450043431), we get a palindrome (4793443974).

The spelling of 1343400543 in words is "one billion, three hundred forty-three million, four hundred thousand, five hundred forty-three".