673230643 has 4 divisors (see below), whose sum is σ = 674461960. Its totient is φ = 671999328.

The previous prime is 673230611. The next prime is 673230647. The reversal of 673230643 is 346032376.

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

It is a cyclic number.

It is not a de Polignac number, because 673230643 - 2⁵ = 673230611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673230599 and 673230608.

It is not an unprimeable number, because it can be changed into a prime (673230647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614838 + ... + 615931.

It is an arithmetic number, because the mean of its divisors is an integer number (168615490).

Almost surely, 2^673230643 is an apocalyptic number.

673230643 is a deficient number, since it is larger than the sum of its proper divisors (1231317).

673230643 is a wasteful number, since it uses less digits than its factorization.

673230643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231316.

The product of its (nonzero) digits is 54432, while the sum is 34.

The square root of 673230643 is about 25946.6884784937. The cubic root of 673230643 is about 876.4381868947.

The spelling of 673230643 in words is "six hundred seventy-three million, two hundred thirty thousand, six hundred forty-three".