1323032143 has 2 divisors, whose sum is σ = 1323032144. Its totient is φ = 1323032142.

The previous prime is 1323032099. The next prime is 1323032147. The reversal of 1323032143 is 3412303231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323032143 is a prime.

It is a super-2 number, since 2×1323032143² = 3500828102822344898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323032147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661516071 + 661516072.

It is an arithmetic number, because the mean of its divisors is an integer number (661516072).

Almost surely, 2^1323032143 is an apocalyptic number.

1323032143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323032143 is an equidigital number, since it uses as much as digits as its factorization.

1323032143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1323032143 is about 36373.5088079223. The cubic root of 1323032143 is about 1097.8006034159.

Adding to 1323032143 its reverse (3412303231), we get a palindrome (4735335374).

The spelling of 1323032143 in words is "one billion, three hundred twenty-three million, thirty-two thousand, one hundred forty-three".