323213005 has 4 divisors (see below), whose sum is σ = 387855612. Its totient is φ = 258570400.

The previous prime is 323212987. The next prime is 323213017. The reversal of 323213005 is 500312323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50665924 + 272547081 = 7118^2 + 16509^2 .

It is not a de Polignac number, because 323213005 - 2⁹ = 323212493 is a prime.

It is a super-2 number, since 2×323213005² = 208933293202260050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32321296 + ... + 32321305.

It is an arithmetic number, because the mean of its divisors is an integer number (96963903).

Almost surely, 2^323213005 is an apocalyptic number.

It is an amenable number.

323213005 is a deficient number, since it is larger than the sum of its proper divisors (64642607).

323213005 is an equidigital number, since it uses as much as digits as its factorization.

323213005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64642606.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 323213005 is about 17978.1257365722. The cubic root of 323213005 is about 686.2719931947.

Adding to 323213005 its reverse (500312323), we get a palindrome (823525328).

The spelling of 323213005 in words is "three hundred twenty-three million, two hundred thirteen thousand, five".