477728168123 has 4 divisors (see below), whose sum is σ = 487892597280. Its totient is φ = 467563738968.

The previous prime is 477728168087. The next prime is 477728168129. The reversal of 477728168123 is 321861827774.

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 477728168123 - 2¹⁰ = 477728167099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477728168129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082214508 + ... + 5082214601.

It is an arithmetic number, because the mean of its divisors is an integer number (121973149320).

Almost surely, 2^477728168123 is an apocalyptic number.

477728168123 is a deficient number, since it is larger than the sum of its proper divisors (10164429157).

477728168123 is a wasteful number, since it uses less digits than its factorization.

477728168123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164429156.

The product of its digits is 6322176, while the sum is 56.

The spelling of 477728168123 in words is "four hundred seventy-seven billion, seven hundred twenty-eight million, one hundred sixty-eight thousand, one hundred twenty-three".