478236323 has 4 divisors (see below), whose sum is σ = 479926488. Its totient is φ = 476546160.

The previous prime is 478236277. The next prime is 478236337. The reversal of 478236323 is 323632874.

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 478236323 - 2¹⁰ = 478235299 is a prime.

It is a super-3 number, since 3×478236323³ (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 (478236383) 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 3 ways as a sum of consecutive naturals, for example, 844658 + ... + 845223.

It is an arithmetic number, because the mean of its divisors is an integer number (119981622).

Almost surely, 2^478236323 is an apocalyptic number.

478236323 is a deficient number, since it is larger than the sum of its proper divisors (1690165).

478236323 is a wasteful number, since it uses less digits than its factorization.

478236323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690164.

The product of its digits is 145152, while the sum is 38.

The square root of 478236323 is about 21868.6150224471. The cubic root of 478236323 is about 782.0133843642.

The spelling of 478236323 in words is "four hundred seventy-eight million, two hundred thirty-six thousand, three hundred twenty-three".