1140432343 has 4 divisors (see below), whose sum is σ = 1168247808. Its totient is φ = 1112616880.

The previous prime is 1140432341. The next prime is 1140432347. The reversal of 1140432343 is 3432340411.

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 1140432343 - 2¹ = 1140432341 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 (1140432341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13907671 + ... + 13907752.

It is an arithmetic number, because the mean of its divisors is an integer number (292061952).

Almost surely, 2^1140432343 is an apocalyptic number.

1140432343 is a deficient number, since it is larger than the sum of its proper divisors (27815465).

1140432343 is an equidigital number, since it uses as much as digits as its factorization.

1140432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815464.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1140432343 is about 33770.2878726255. The cubic root of 1140432343 is about 1044.7759699235.

Adding to 1140432343 its reverse (3432340411), we get a palindrome (4572772754).

The spelling of 1140432343 in words is "one billion, one hundred forty million, four hundred thirty-two thousand, three hundred forty-three".