493423505 has 8 divisors (see below), whose sum is σ = 594361152. Its totient is φ = 393236848.

The previous prime is 493423501. The next prime is 493423519. The reversal of 493423505 is 505324394.

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 493423505 - 2² = 493423501 is a prime.

It is a super-3 number, since 3×493423505³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (493423501) 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, 186299 + ... + 188928.

It is an arithmetic number, because the mean of its divisors is an integer number (74295144).

Almost surely, 2^493423505 is an apocalyptic number.

It is an amenable number.

493423505 is a deficient number, since it is larger than the sum of its proper divisors (100937647).

493423505 is a wasteful number, since it uses less digits than its factorization.

493423505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375495.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 493423505 is about 22213.1381168893. The cubic root of 493423505 is about 790.2053116963.

Adding to 493423505 its reverse (505324394), we get a palindrome (998747899).

The spelling of 493423505 in words is "four hundred ninety-three million, four hundred twenty-three thousand, five hundred five".