328123945 has 8 divisors (see below), whose sum is σ = 393994944. Its totient is φ = 262335024.

The previous prime is 328123903. The next prime is 328123963. The reversal of 328123945 is 549321823.

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 328123945 - 2¹¹ = 328121897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349 + ... + 28018.

It is an arithmetic number, because the mean of its divisors is an integer number (49249368).

Almost surely, 2^328123945 is an apocalyptic number.

It is an amenable number.

328123945 is a deficient number, since it is larger than the sum of its proper divisors (65870999).

328123945 is a wasteful number, since it uses less digits than its factorization.

328123945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41039.

The product of its digits is 51840, while the sum is 37.

The square root of 328123945 is about 18114.1918119468. The cubic root of 328123945 is about 689.7303048780.

The spelling of 328123945 in words is "three hundred twenty-eight million, one hundred twenty-three thousand, nine hundred forty-five".