1143322393 has 2 divisors, whose sum is σ = 1143322394. Its totient is φ = 1143322392.

The previous prime is 1143322373. The next prime is 1143322409. The reversal of 1143322393 is 3932233411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639230089 + 504092304 = 25283^2 + 22452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143322393 - 2¹³ = 1143314201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143322333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571661196 + 571661197.

It is an arithmetic number, because the mean of its divisors is an integer number (571661197).

Almost surely, 2^1143322393 is an apocalyptic number.

It is an amenable number.

1143322393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143322393 is an equidigital number, since it uses as much as digits as its factorization.

1143322393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 1143322393 is about 33813.0506313760. The cubic root of 1143322393 is about 1045.6577722771.

The spelling of 1143322393 in words is "one billion, one hundred forty-three million, three hundred twenty-two thousand, three hundred ninety-three".