673403323 has 8 divisors (see below), whose sum is σ = 680434992. Its totient is φ = 666385536.

The previous prime is 673403321. The next prime is 673403333. The reversal of 673403323 is 323304376.

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 673403323 - 2¹ = 673403321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673403321) 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, 114511 + ... + 120247.

It is an arithmetic number, because the mean of its divisors is an integer number (85054374).

Almost surely, 2^673403323 is an apocalyptic number.

673403323 is a deficient number, since it is larger than the sum of its proper divisors (7031669).

673403323 is a wasteful number, since it uses less digits than its factorization.

673403323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941.

The product of its (nonzero) digits is 27216, while the sum is 31.

The square root of 673403323 is about 25950.0158574133. The cubic root of 673403323 is about 876.5131143657.

Adding to 673403323 its reverse (323304376), we get a palindrome (996707699).

The spelling of 673403323 in words is "six hundred seventy-three million, four hundred three thousand, three hundred twenty-three".