493281923 has 4 divisors (see below), whose sum is σ = 493396488. Its totient is φ = 493167360.

The previous prime is 493281913. The next prime is 493281931. The reversal of 493281923 is 329182394.

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 493281923 - 2²⁰ = 492233347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493281913) 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, 50561 + ... + 59522.

It is an arithmetic number, because the mean of its divisors is an integer number (123349122).

Almost surely, 2^493281923 is an apocalyptic number.

493281923 is a deficient number, since it is larger than the sum of its proper divisors (114565).

493281923 is a wasteful number, since it uses less digits than its factorization.

493281923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114564.

The product of its digits is 93312, while the sum is 41.

The square root of 493281923 is about 22209.9509904907. The cubic root of 493281923 is about 790.1297244643.

The spelling of 493281923 in words is "four hundred ninety-three million, two hundred eighty-one thousand, nine hundred twenty-three".