323564540 has 24 divisors (see below), whose sum is σ = 731754240. Its totient is φ = 119469888.

The previous prime is 323564533. The next prime is 323564561. The reversal of 323564540 is 45465323.

It is a junction number, because it is equal to n+sod(n) for n = 323564497 and 323564506.

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, 621980 + ... + 622499.

It is an arithmetic number, because the mean of its divisors is an integer number (30489760).

Almost surely, 2^323564540 is an apocalyptic number.

It is an amenable number.

323564540 is an abundant number, since it is smaller than the sum of its proper divisors (408189700).

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

323564540 is a wasteful number, since it uses less digits than its factorization.

323564540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244501 (or 1244499 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 323564540 is about 17987.8998218247. The cubic root of 323564540 is about 686.5207055624.

The spelling of 323564540 in words is "three hundred twenty-three million, five hundred sixty-four thousand, five hundred forty".