323140142 has 8 divisors (see below), whose sum is σ = 521995656. Its totient is φ = 149141592.

The previous prime is 323140117. The next prime is 323140171. The reversal of 323140142 is 241041323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214208 + ... + 6214259.

It is an arithmetic number, because the mean of its divisors is an integer number (65249457).

Almost surely, 2^323140142 is an apocalyptic number.

323140142 is a deficient number, since it is larger than the sum of its proper divisors (198855514).

323140142 is a wasteful number, since it uses less digits than its factorization.

323140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428482.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 323140142 is about 17976.0991875323. The cubic root of 323140142 is about 686.2204197809.

Adding to 323140142 its reverse (241041323), we get a palindrome (564181465).

The spelling of 323140142 in words is "three hundred twenty-three million, one hundred forty thousand, one hundred forty-two".