323540 has 24 divisors (see below), whose sum is σ = 776832. Its totient is φ = 110880.

The previous prime is 323537. The next prime is 323549. The reversal of 323540 is 45323.

323540 = T₅₉ + T₆₀ + ... + T₁₂₈.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323540.

It is not an unprimeable number, because it can be changed into a prime (323549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (32368).

2³²³⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

323540 is an abundant number, since it is smaller than the sum of its proper divisors (453292).

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

323540 is a wasteful number, since it uses less digits than its factorization.

323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 323540 is about 568.8057664968. The cubic root of 323540 is about 68.6503349268.

Adding to 323540 its reverse (45323), we get a palindrome (368863).

The spelling of 323540 in words is "three hundred twenty-three thousand, five hundred forty".