1143422341 has 4 divisors (see below), whose sum is σ = 1144195884. Its totient is φ = 1142648800.

The previous prime is 1143422303. The next prime is 1143422347. The reversal of 1143422341 is 1432243411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 802872225 + 340550116 = 28335^2 + 18454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143422341 - 2⁷ = 1143422213 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 (1143422347) 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, 384550 + ... + 387511.

It is an arithmetic number, because the mean of its divisors is an integer number (286048971).

Almost surely, 2^1143422341 is an apocalyptic number.

It is an amenable number.

1143422341 is a deficient number, since it is larger than the sum of its proper divisors (773543).

1143422341 is an equidigital number, since it uses as much as digits as its factorization.

1143422341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773542.

The product of its digits is 2304, while the sum is 25.

The square root of 1143422341 is about 33814.5285491311. The cubic root of 1143422341 is about 1045.6882414776.

Adding to 1143422341 its reverse (1432243411), we get a palindrome (2575665752).

The spelling of 1143422341 in words is "one billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred forty-one".