323040 has 48 divisors (see below), whose sum is σ = 1019088. Its totient is φ = 86016.

The previous prime is 323027. The next prime is 323053. The reversal of 323040 is 40323.

It is an interprime number because it is at equal distance from previous prime (323027) and next prime (323053).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 816.

It is an arithmetic number, because the mean of its divisors is an integer number (21231).

2³²³⁰⁴⁰ is an apocalyptic number.

323040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509544).

323040 is an abundant number, since it is smaller than the sum of its proper divisors (696048).

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

323040 is a wasteful number, since it uses less digits than its factorization.

323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 323040 is about 568.3660792130. The cubic root of 323040 is about 68.6149525272.

Adding to 323040 its reverse (40323), we get a palindrome (363363).

The spelling of 323040 in words is "three hundred twenty-three thousand, forty", and thus it is an iban number.