479820500023 has 4 divisors (see below), whose sum is σ = 490029446880. Its totient is φ = 469611553168.

The previous prime is 479820499927. The next prime is 479820500041. The reversal of 479820500023 is 320005028974.

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 479820500023 - 2²¹ = 479818402871 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 (479820500063) 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, 5104473358 + ... + 5104473451.

It is an arithmetic number, because the mean of its divisors is an integer number (122507361720).

Almost surely, 2^479820500023 is an apocalyptic number.

479820500023 is a deficient number, since it is larger than the sum of its proper divisors (10208946857).

479820500023 is a wasteful number, since it uses less digits than its factorization.

479820500023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208946856.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 479820500023 its reverse (320005028974), we get a palindrome (799825528997).

The spelling of 479820500023 in words is "four hundred seventy-nine billion, eight hundred twenty million, five hundred thousand, twenty-three".