479549023 has 4 divisors (see below), whose sum is σ = 481983480. Its totient is φ = 477114568.

The previous prime is 479549003. The next prime is 479549033. The reversal of 479549023 is 320945974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320945974 = 2 ⋅160472987.

It is a cyclic number.

It is not a de Polignac number, because 479549023 - 2¹⁷ = 479417951 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 (479549003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216933 + ... + 1217326.

It is an arithmetic number, because the mean of its divisors is an integer number (120495870).

Almost surely, 2^479549023 is an apocalyptic number.

479549023 is a deficient number, since it is larger than the sum of its proper divisors (2434457).

479549023 is a wasteful number, since it uses less digits than its factorization.

479549023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434456.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 479549023 is about 21898.6077867978. The cubic root of 479549023 is about 782.7282409457.

The spelling of 479549023 in words is "four hundred seventy-nine million, five hundred forty-nine thousand, twenty-three".