328449023 has 4 divisors (see below), whose sum is σ = 375370320. Its totient is φ = 281527728.

The previous prime is 328449013. The next prime is 328449031. The reversal of 328449023 is 320944823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320944823 = 2383 ⋅134681.

It is a cyclic number.

It is not a de Polignac number, because 328449023 - 2⁸ = 328448767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328449013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23460638 + ... + 23460651.

It is an arithmetic number, because the mean of its divisors is an integer number (93842580).

Almost surely, 2^328449023 is an apocalyptic number.

328449023 is a deficient number, since it is larger than the sum of its proper divisors (46921297).

328449023 is an equidigital number, since it uses as much as digits as its factorization.

328449023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46921296.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 328449023 is about 18123.1626103172. The cubic root of 328449023 is about 689.9580055658.

The spelling of 328449023 in words is "three hundred twenty-eight million, four hundred forty-nine thousand, twenty-three".