323212404505 has 8 divisors (see below), whose sum is σ = 393167966472. Its totient is φ = 255027869568.

The previous prime is 323212404499. The next prime is 323212404509. The reversal of 323212404505 is 505404212323.

It can be written as a sum of positive squares in 4 ways, for example, as 20681603721 + 302530800784 = 143811^2 + 550028^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 323212404505 - 2¹³ = 323212396313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323212404509) 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, 442756354 + ... + 442757083.

It is an arithmetic number, because the mean of its divisors is an integer number (49145995809).

Almost surely, 2^323212404505 is an apocalyptic number.

It is an amenable number.

323212404505 is a deficient number, since it is larger than the sum of its proper divisors (69955561967).

323212404505 is an equidigital number, since it uses as much as digits as its factorization.

323212404505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885513515.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 323212404505 its reverse (505404212323), we get a palindrome (828616616828).

The spelling of 323212404505 in words is "three hundred twenty-three billion, two hundred twelve million, four hundred four thousand, five hundred five".