1152343543 has 8 divisors (see below), whose sum is σ = 1264400928. Its totient is φ = 1043631264.

The previous prime is 1152343537. The next prime is 1152343553. The reversal of 1152343543 is 3453432511.

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

It is a de Polignac number, because none of the positive numbers 2^k-1152343543 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 (1152343513) 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, 835555 + ... + 836932.

It is an arithmetic number, because the mean of its divisors is an integer number (158050116).

Almost surely, 2^1152343543 is an apocalyptic number.

1152343543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1152343543 is a deficient number, since it is larger than the sum of its proper divisors (112057385).

1152343543 is a wasteful number, since it uses less digits than its factorization.

1152343543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672553.

The product of its digits is 21600, while the sum is 31.

The square root of 1152343543 is about 33946.1859860574. The cubic root of 1152343543 is about 1048.4007530398.

The spelling of 1152343543 in words is "one billion, one hundred fifty-two million, three hundred forty-three thousand, five hundred forty-three".