493666023 has 8 divisors (see below), whose sum is σ = 666553600. Its totient is φ = 324944568.

The previous prime is 493666021. The next prime is 493666079. The reversal of 493666023 is 320666394.

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

It is not a de Polignac number, because 493666023 - 2¹ = 493666021 is a prime.

It is a super-2 number, since 2×493666023² = 487412284529273058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493666021) 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, 1041253 + ... + 1041726.

It is an arithmetic number, because the mean of its divisors is an integer number (83319200).

Almost surely, 2^493666023 is an apocalyptic number.

493666023 is a deficient number, since it is larger than the sum of its proper divisors (172887577).

493666023 is a wasteful number, since it uses less digits than its factorization.

493666023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083061.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 493666023 is about 22218.5963328019. The cubic root of 493666023 is about 790.3347526475.

The spelling of 493666023 in words is "four hundred ninety-three million, six hundred sixty-six thousand, twenty-three".