323544132 has 120 divisors (see below), whose sum is σ = 879450264. Its totient is φ = 103638528.

The previous prime is 323544131. The next prime is 323544149. The reversal of 323544132 is 231445323.

It can be written as a sum of positive squares in 4 ways, for example, as 224820036 + 98724096 = 14994^2 + 9936^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 323544096 and 323544105.

It is not an unprimeable number, because it can be changed into a prime (323544131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1642258 + ... + 1642454.

Almost surely, 2^323544132 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 323544132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439725132).

323544132 is an abundant number, since it is smaller than the sum of its proper divisors (555906132).

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

323544132 is a wasteful number, since it uses less digits than its factorization.

323544132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 376 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 323544132 is about 17987.3325426535. The cubic root of 323544132 is about 686.5062717504.

Adding to 323544132 its reverse (231445323), we get a palindrome (554989455).

The spelling of 323544132 in words is "three hundred twenty-three million, five hundred forty-four thousand, one hundred thirty-two".