323145129 has 16 divisors (see below), whose sum is σ = 466817472. Its totient is φ = 198041088.

The previous prime is 323145089. The next prime is 323145131. The reversal of 323145129 is 921541323.

It is not a de Polignac number, because 323145129 - 2⁸ = 323144873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323145096 and 323145105.

It is not an unprimeable number, because it can be changed into a prime (323145139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71484 + ... + 75869.

It is an arithmetic number, because the mean of its divisors is an integer number (29176092).

Almost surely, 2^323145129 is an apocalyptic number.

It is an amenable number.

323145129 is a deficient number, since it is larger than the sum of its proper divisors (143672343).

323145129 is a wasteful number, since it uses less digits than its factorization.

323145129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147416.

The product of its digits is 6480, while the sum is 30.

The square root of 323145129 is about 17976.2378989598. The cubic root of 323145129 is about 686.2239498939.

The spelling of 323145129 in words is "three hundred twenty-three million, one hundred forty-five thousand, one hundred twenty-nine".