323211040 has 48 divisors (see below), whose sum is σ = 765410688. Its totient is φ = 128975616.

The previous prime is 323211037. The next prime is 323211043. The reversal of 323211040 is 40112323.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (323211037) and next prime (323211043).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (323211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71899 + ... + 76261.

It is an arithmetic number, because the mean of its divisors is an integer number (15946056).

Almost surely, 2^323211040 is an apocalyptic number.

It is an amenable number.

323211040 is an abundant number, since it is smaller than the sum of its proper divisors (442199648).

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

323211040 is a wasteful number, since it uses less digits than its factorization.

323211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841 (or 4833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 323211040 is about 17978.0710867434. The cubic root of 323211040 is about 686.2706024430.

Adding to 323211040 its reverse (40112323), we get a palindrome (363323363).

It can be divided in two parts, 32 and 3211040, that multiplied together give a triangular number (102753280 = T₁₄₃₃₅).

The spelling of 323211040 in words is "three hundred twenty-three million, two hundred eleven thousand, forty".