1330232143 has 2 divisors, whose sum is σ = 1330232144. Its totient is φ = 1330232142.

The previous prime is 1330232089. The next prime is 1330232147. The reversal of 1330232143 is 3412320331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330232143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330232147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665116071 + 665116072.

It is an arithmetic number, because the mean of its divisors is an integer number (665116072).

Almost surely, 2^1330232143 is an apocalyptic number.

1330232143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330232143 is an equidigital number, since it uses as much as digits as its factorization.

1330232143 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 1330232143 is about 36472.3476485954. The cubic root of 1330232143 is about 1099.7884284554.

Adding to 1330232143 its reverse (3412320331), we get a palindrome (4742552474).

The spelling of 1330232143 in words is "one billion, three hundred thirty million, two hundred thirty-two thousand, one hundred forty-three".