493445423 has 4 divisors (see below), whose sum is σ = 502755768. Its totient is φ = 484135080.

The previous prime is 493445401. The next prime is 493445441. The reversal of 493445423 is 324544394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493445423 - 2¹⁴ = 493429039 is a prime.

It is a super-4 number, since 4×493445423⁴ (a number of 36 digits) contains 4444 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 (493445443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655093 + ... + 4655198.

It is an arithmetic number, because the mean of its divisors is an integer number (125688942).

Almost surely, 2^493445423 is an apocalyptic number.

493445423 is a deficient number, since it is larger than the sum of its proper divisors (9310345).

493445423 is an equidigital number, since it uses as much as digits as its factorization.

493445423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310344.

The product of its digits is 207360, while the sum is 38.

The square root of 493445423 is about 22213.6314680873. The cubic root of 493445423 is about 790.2170118980.

The spelling of 493445423 in words is "four hundred ninety-three million, four hundred forty-five thousand, four hundred twenty-three".