668080423 has 8 divisors (see below), whose sum is σ = 692226000. Its totient is φ = 644362368.

The previous prime is 668080409. The next prime is 668080429. The reversal of 668080423 is 324080866.

668080423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 668080423 - 2¹³ = 668072231 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 (668080429) 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, 103698 + ... + 109951.

It is an arithmetic number, because the mean of its divisors is an integer number (86528250).

Almost surely, 2^668080423 is an apocalyptic number.

668080423 is a deficient number, since it is larger than the sum of its proper divisors (24145577).

668080423 is a wasteful number, since it uses less digits than its factorization.

668080423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213761.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 668080423 is about 25847.2517494607. The cubic root of 668080423 is about 874.1975436993.

The spelling of 668080423 in words is "six hundred sixty-eight million, eighty thousand, four hundred twenty-three".