323143042 has 4 divisors (see below), whose sum is σ = 484714566. Its totient is φ = 161571520.

The previous prime is 323143019. The next prime is 323143061. The reversal of 323143042 is 240341323.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 312193561 + 10949481 = 17669^2 + 3309^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80785759 + ... + 80785762.

Almost surely, 2^323143042 is an apocalyptic number.

323143042 is a deficient number, since it is larger than the sum of its proper divisors (161571524).

323143042 is a wasteful number, since it uses less digits than its factorization.

323143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161571523.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 323143042 is about 17976.1798500126. The cubic root of 323143042 is about 686.2224725881. Note that the first 3 decimals are identical.

Adding to 323143042 its reverse (240341323), we get a palindrome (563484365).

The spelling of 323143042 in words is "three hundred twenty-three million, one hundred forty-three thousand, forty-two".