323012143 has 2 divisors, whose sum is σ = 323012144. Its totient is φ = 323012142.

The previous prime is 323012113. The next prime is 323012167. The reversal of 323012143 is 341210323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323012143 - 2⁵ = 323012111 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 323012143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323012113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161506071 + 161506072.

It is an arithmetic number, because the mean of its divisors is an integer number (161506072).

Almost surely, 2^323012143 is an apocalyptic number.

323012143 is a deficient number, since it is larger than the sum of its proper divisors (1).

323012143 is an equidigital number, since it uses as much as digits as its factorization.

323012143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 323012143 is about 17972.5385797332. The cubic root of 323012143 is about 686.1298015876.

Adding to 323012143 its reverse (341210323), we get a palindrome (664222466).

The spelling of 323012143 in words is "three hundred twenty-three million, twelve thousand, one hundred forty-three".