668359223 has 8 divisors (see below), whose sum is σ = 780091392. Its totient is φ = 560690136.

The previous prime is 668359177. The next prime is 668359253. The reversal of 668359223 is 322953866.

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 668359223 - 2¹⁴ = 668342839 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 (668359253) 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, 1015415 + ... + 1016072.

It is an arithmetic number, because the mean of its divisors is an integer number (97511424).

Almost surely, 2^668359223 is an apocalyptic number.

668359223 is a deficient number, since it is larger than the sum of its proper divisors (111732169).

668359223 is a wasteful number, since it uses less digits than its factorization.

668359223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031541.

The product of its digits is 466560, while the sum is 44.

The square root of 668359223 is about 25852.6444101953. The cubic root of 668359223 is about 874.3191320447.

The spelling of 668359223 in words is "six hundred sixty-eight million, three hundred fifty-nine thousand, two hundred twenty-three".