673662305823 has 16 divisors (see below), whose sum is σ = 971647703040. Its totient is φ = 412702393824.

The previous prime is 673662305677. The next prime is 673662305831. The reversal of 673662305823 is 328503266376.

It is not a de Polignac number, because 673662305823 - 2¹³ = 673662297631 is a prime.

It is a super-2 number, since 2×673662305823² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673662305873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38720883 + ... + 38738276.

It is an arithmetic number, because the mean of its divisors is an integer number (60727981440).

Almost surely, 2^673662305823 is an apocalyptic number.

673662305823 is a deficient number, since it is larger than the sum of its proper divisors (297985397217).

673662305823 is a wasteful number, since it uses less digits than its factorization.

673662305823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77459398.

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 673662305823 in words is "six hundred seventy-three billion, six hundred sixty-two million, three hundred five thousand, eight hundred twenty-three".