660707023 has 8 divisors (see below), whose sum is σ = 704680992. Its totient is φ = 617300736.

The previous prime is 660707017. The next prime is 660707041. The reversal of 660707023 is 320707066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660707023 - 2⁹ = 660706511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660707423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139515 + ... + 144172.

It is an arithmetic number, because the mean of its divisors is an integer number (88085124).

Almost surely, 2^660707023 is an apocalyptic number.

660707023 is a deficient number, since it is larger than the sum of its proper divisors (43973969).

660707023 is a wasteful number, since it uses less digits than its factorization.

660707023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283841.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 660707023 is about 25704.2218905767. The cubic root of 660707023 is about 870.9695550236.

The spelling of 660707023 in words is "six hundred sixty million, seven hundred seven thousand, twenty-three".