323880385 has 8 divisors (see below), whose sum is σ = 389060136. Its totient is φ = 258835200.

The previous prime is 323880383. The next prime is 323880391. The reversal of 323880385 is 583088323.

It can be written as a sum of positive squares in 4 ways, for example, as 40564161 + 283316224 = 6369^2 + 16832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 323880385 - 2¹ = 323880383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323880383) 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, 28266 + ... + 38035.

It is an arithmetic number, because the mean of its divisors is an integer number (48632517).

Almost surely, 2^323880385 is an apocalyptic number.

It is an amenable number.

323880385 is a deficient number, since it is larger than the sum of its proper divisors (65179751).

323880385 is an equidigital number, since it uses as much as digits as its factorization.

323880385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67283.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 323880385 is about 17996.6770543898. The cubic root of 323880385 is about 686.7440135273.

The spelling of 323880385 in words is "three hundred twenty-three million, eight hundred eighty thousand, three hundred eighty-five".