1328423 has 8 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 1246968.

The previous prime is 1328417. The next prime is 1328447. The reversal of 1328423 is 3248231.

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 1328423 - 2⁴ = 1328407 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 (1328473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1328423 is an apocalyptic number.

1328423 is a deficient number, since it is larger than the sum of its proper divisors (82777).

1328423 is a wasteful number, since it uses less digits than its factorization.

1328423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 1152, while the sum is 23.

The square root of 1328423 is about 1152.5723404628. The cubic root of 1328423 is about 109.9289623985.

The spelling of 1328423 in words is "one million, three hundred twenty-eight thousand, four hundred twenty-three".