323140152 has 32 divisors (see below), whose sum is σ = 823096080. Its totient is φ = 105680640.

The previous prime is 323140117. The next prime is 323140171. The reversal of 323140152 is 251041323.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 125749 + ... + 128292.

Almost surely, 2^323140152 is an apocalyptic number.

It is an amenable number.

323140152 is an abundant number, since it is smaller than the sum of its proper divisors (499955928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323140152 is a wasteful number, since it uses less digits than its factorization.

323140152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254103 (or 254099 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 323140152 is about 17976.0994656794. The cubic root of 323140152 is about 686.2204268595.

Adding to 323140152 its reverse (251041323), we get a palindrome (574181475).

The spelling of 323140152 in words is "three hundred twenty-three million, one hundred forty thousand, one hundred fifty-two".