323155 has 12 divisors (see below), whose sum is σ = 451440. Its totient is φ = 221424.

The previous prime is 323149. The next prime is 323201. The reversal of 323155 is 551323.

It is not a de Polignac number, because 323155 - 2⁵ = 323123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2³²³¹⁵⁵ is an apocalyptic number.

323155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

323155 is a deficient number, since it is larger than the sum of its proper divisors (128285).

323155 is a wasteful number, since it uses less digits than its factorization.

323155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1331 counting only the distinct ones).

The product of its digits is 450, while the sum is 19.

The square root of 323155 is about 568.4672374025. The cubic root of 323155 is about 68.6230937103.

Adding to 323155 its reverse (551323), we get a palindrome (874478).

The spelling of 323155 in words is "three hundred twenty-three thousand, one hundred fifty-five".