665023353 has 8 divisors (see below), whose sum is σ = 890378016. Its totient is φ = 441508800.

The previous prime is 665023349. The next prime is 665023361. The reversal of 665023353 is 353320566.

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

It is not a de Polignac number, because 665023353 - 2² = 665023349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (665023553) 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, 459183 + ... + 460628.

It is an arithmetic number, because the mean of its divisors is an integer number (111297252).

Almost surely, 2^665023353 is an apocalyptic number.

It is an amenable number.

665023353 is a deficient number, since it is larger than the sum of its proper divisors (225354663).

665023353 is a wasteful number, since it uses less digits than its factorization.

665023353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920055.

The product of its (nonzero) digits is 48600, while the sum is 33.

The square root of 665023353 is about 25788.0467077288. The cubic root of 665023353 is about 872.8620907974.

It can be divided in two parts, 6650 and 23353, that added together give a palindrome (30003).

The spelling of 665023353 in words is "six hundred sixty-five million, twenty-three thousand, three hundred fifty-three".