323122240 has 112 divisors (see below), whose sum is σ = 892893312. Its totient is φ = 109080576.

The previous prime is 323122231. The next prime is 323122273. The reversal of 323122240 is 42221323.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149004 + ... + 151156.

Almost surely, 2^323122240 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 323122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446446656).

323122240 is an abundant number, since it is smaller than the sum of its proper divisors (569771072).

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

323122240 is a wasteful number, since it uses less digits than its factorization.

323122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 323122240 is about 17975.6012416831. The cubic root of 323122240 is about 686.2077473175.

Adding to 323122240 its reverse (42221323), we get a palindrome (365343563).

The spelling of 323122240 in words is "three hundred twenty-three million, one hundred twenty-two thousand, two hundred forty".