493556423 has 8 divisors (see below), whose sum is σ = 510948480. Its totient is φ = 476189280.

The previous prime is 493556389. The next prime is 493556477. The reversal of 493556423 is 324655394.

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

It is not a de Polignac number, because 493556423 - 2¹⁶ = 493490887 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 (493556023) 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, 40013 + ... + 50873.

It is an arithmetic number, because the mean of its divisors is an integer number (63868560).

Almost surely, 2^493556423 is an apocalyptic number.

493556423 is a deficient number, since it is larger than the sum of its proper divisors (17392057).

493556423 is a wasteful number, since it uses less digits than its factorization.

493556423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457.

The product of its digits is 388800, while the sum is 41.

The square root of 493556423 is about 22216.1297934631. The cubic root of 493556423 is about 790.2762602687.

The spelling of 493556423 in words is "four hundred ninety-three million, five hundred fifty-six thousand, four hundred twenty-three".