1103143343 has 4 divisors (see below), whose sum is σ = 1103442120. Its totient is φ = 1102844568.

The previous prime is 1103143333. The next prime is 1103143367. The reversal of 1103143343 is 3433413011.

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 1103143343 - 2¹⁰ = 1103142319 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 (1103143303) 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, 143780 + ... + 151257.

It is an arithmetic number, because the mean of its divisors is an integer number (275860530).

Almost surely, 2^1103143343 is an apocalyptic number.

1103143343 is a deficient number, since it is larger than the sum of its proper divisors (298777).

1103143343 is an equidigital number, since it uses as much as digits as its factorization.

1103143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298776.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1103143343 is about 33213.6017769829. The cubic root of 1103143343 is about 1033.2624562439.

Adding to 1103143343 its reverse (3433413011), we get a palindrome (4536556354).

The spelling of 1103143343 in words is "one billion, one hundred three million, one hundred forty-three thousand, three hundred forty-three".