1143053343 has 8 divisors (see below), whose sum is σ = 1693412400. Its totient is φ = 762035544.

The previous prime is 1143053323. The next prime is 1143053371. The reversal of 1143053343 is 3433503411.

1143053343 is a `hidden beast` number, since 1 + 14 + 305 + 3 + 343 = 666.

It is not a de Polignac number, because 1143053343 - 2²⁴ = 1126276127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42335309 = 1143053343 / (1 + 1 + 4 + 3 + 0 + 5 + 3 + 3 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143053323) 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 7 ways as a sum of consecutive naturals, for example, 21167628 + ... + 21167681.

It is an arithmetic number, because the mean of its divisors is an integer number (211676550).

Almost surely, 2^1143053343 is an apocalyptic number.

1143053343 is a deficient number, since it is larger than the sum of its proper divisors (550359057).

1143053343 is an equidigital number, since it uses as much as digits as its factorization.

1143053343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42335318 (or 42335312 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1143053343 is about 33809.0719038544. The cubic root of 1143053343 is about 1045.5757434179.

Adding to 1143053343 its reverse (3433503411), we get a palindrome (4576556754).

The spelling of 1143053343 in words is "one billion, one hundred forty-three million, fifty-three thousand, three hundred forty-three".