323152505 has 12 divisors (see below), whose sum is σ = 419908140. Its totient is φ = 238635072.

The previous prime is 323152483. The next prime is 323152517. The reversal of 323152505 is 505251323.

It can be written as a sum of positive squares in 6 ways, for example, as 112699456 + 210453049 = 10616^2 + 14507^2 .

It is a de Polignac number, because none of the positive numbers 2^k-323152505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190370 + ... + 192059.

It is an arithmetic number, because the mean of its divisors is an integer number (34992345).

Almost surely, 2^323152505 is an apocalyptic number.

It is an amenable number.

323152505 is a deficient number, since it is larger than the sum of its proper divisors (96755635).

323152505 is a wasteful number, since it uses less digits than its factorization.

323152505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382460 (or 382447 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 323152505 is about 17976.4430575128. The cubic root of 323152505 is about 686.2291710251.

The spelling of 323152505 in words is "three hundred twenty-three million, one hundred fifty-two thousand, five hundred five".