670323 has 4 divisors (see below), whose sum is σ = 893768. Its totient is φ = 446880.

The previous prime is 670321. The next prime is 670333. The reversal of 670323 is 323076.

670323 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 670323 - 2¹ = 670321 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 7 + 3³ + 0 + 2¹⁷ + 3¹² .

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

670323 is strictly pandigital in base 7.

670323 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 670323.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670323.

It is not an unprimeable number, because it can be changed into a prime (670321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 111718 + ... + 111723.

It is an arithmetic number, because the mean of its divisors is an integer number (223442).

2⁶⁷⁰³²³ is an apocalyptic number.

670323 is a deficient number, since it is larger than the sum of its proper divisors (223445).

670323 is a wasteful number, since it uses less digits than its factorization.

670323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223444.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 670323 is about 818.7325570661. The cubic root of 670323 is about 87.5174604611.

Adding to 670323 its reverse (323076), we get a palindrome (993399).

The spelling of 670323 in words is "six hundred seventy thousand, three hundred twenty-three".