1343543453 has 4 divisors (see below), whose sum is σ = 1535478240. Its totient is φ = 1151608668.

The previous prime is 1343543449. The next prime is 1343543491. The reversal of 1343543453 is 3543453431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1343543453 - 2² = 1343543449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343543053) 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, 95967383 + ... + 95967396.

It is an arithmetic number, because the mean of its divisors is an integer number (383869560).

Almost surely, 2^1343543453 is an apocalyptic number.

It is an amenable number.

1343543453 is a deficient number, since it is larger than the sum of its proper divisors (191934787).

1343543453 is an equidigital number, since it uses as much as digits as its factorization.

1343543453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191934786.

The product of its digits is 129600, while the sum is 35.

The square root of 1343543453 is about 36654.3783605724. The cubic root of 1343543453 is about 1103.4446982106. Note that the first 3 decimals are identical.

Adding to 1343543453 its reverse (3543453431), we get a palindrome (4886996884).

The spelling of 1343543453 in words is "one billion, three hundred forty-three million, five hundred forty-three thousand, four hundred fifty-three".