323053040 has 80 divisors (see below), whose sum is σ = 822804480. Its totient is φ = 117411840.

The previous prime is 323053039. The next prime is 323053051. The reversal of 323053040 is 40350323.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 35345 + ... + 43535.

It is an arithmetic number, because the mean of its divisors is an integer number (10285056).

Almost surely, 2^323053040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323053040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411402240).

323053040 is an abundant number, since it is smaller than the sum of its proper divisors (499751440).

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

323053040 is a wasteful number, since it uses less digits than its factorization.

323053040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 8244 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 323053040 is about 17973.6763073112. The cubic root of 323053040 is about 686.1587576366.

The spelling of 323053040 in words is "three hundred twenty-three million, fifty-three thousand, forty".