323146140 has 24 divisors (see below), whose sum is σ = 904809360. Its totient is φ = 86172288.

The previous prime is 323146093. The next prime is 323146171. The reversal of 323146140 is 41641323.

It is a self number, because there is not a number n which added to its sum of digits gives 323146140.

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, 2692825 + ... + 2692944.

It is an arithmetic number, because the mean of its divisors is an integer number (37700390).

Almost surely, 2^323146140 is an apocalyptic number.

323146140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323146140 is an abundant number, since it is smaller than the sum of its proper divisors (581663220).

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

323146140 is a wasteful number, since it uses less digits than its factorization.

323146140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385781 (or 5385779 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 323146140 is about 17976.2660193935. The cubic root of 323146140 is about 686.2246655390.

Adding to 323146140 its reverse (41641323), we get a palindrome (364787463).

The spelling of 323146140 in words is "three hundred twenty-three million, one hundred forty-six thousand, one hundred forty".