669673323 has 24 divisors (see below), whose sum is σ = 1083768816. Its totient is φ = 394891200.

The previous prime is 669673309. The next prime is 669673327. The reversal of 669673323 is 323376966.

It is not a de Polignac number, because 669673323 - 2²¹ = 667576171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669673327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87748 + ... + 95073.

It is an arithmetic number, because the mean of its divisors is an integer number (45157034).

Almost surely, 2^669673323 is an apocalyptic number.

669673323 is a deficient number, since it is larger than the sum of its proper divisors (414095493).

669673323 is a wasteful number, since it uses less digits than its factorization.

669673323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182875 (or 182872 counting only the distinct ones).

The product of its digits is 734832, while the sum is 45.

The square root of 669673323 is about 25878.0471249281. The cubic root of 669673323 is about 874.8917734986.

The spelling of 669673323 in words is "six hundred sixty-nine million, six hundred seventy-three thousand, three hundred twenty-three".