489456723 has 16 divisors (see below), whose sum is σ = 746160896. Its totient is φ = 279568800.

The previous prime is 489456713. The next prime is 489456733. The reversal of 489456723 is 327654984.

It is an interprime number because it is at equal distance from previous prime (489456713) and next prime (489456733).

It is not a de Polignac number, because 489456723 - 2⁸ = 489456467 is a prime.

It is a super-3 number, since 3×489456723³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489456713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72648 + ... + 79098.

It is an arithmetic number, because the mean of its divisors is an integer number (46635056).

Almost surely, 2^489456723 is an apocalyptic number.

489456723 is a deficient number, since it is larger than the sum of its proper divisors (256704173).

489456723 is a wasteful number, since it uses less digits than its factorization.

489456723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074.

The product of its digits is 1451520, while the sum is 48.

The square root of 489456723 is about 22123.6688413111. The cubic root of 489456723 is about 788.0820444821.

The spelling of 489456723 in words is "four hundred eighty-nine million, four hundred fifty-six thousand, seven hundred twenty-three".