470823 has 4 divisors (see below), whose sum is σ = 627768. Its totient is φ = 313880.

The previous prime is 470819. The next prime is 470831. The reversal of 470823 is 328074.

470823 is nontrivially palindromic in base 16.

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 470823 - 2² = 470819 is a prime.

It is a D-number.

470823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 470793 and 470802.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 470823.

It is not an unprimeable number, because it can be changed into a prime (470863) 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, 78468 + ... + 78473.

It is an arithmetic number, because the mean of its divisors is an integer number (156942).

2⁴⁷⁰⁸²³ is an apocalyptic number.

470823 is a deficient number, since it is larger than the sum of its proper divisors (156945).

470823 is a wasteful number, since it uses less digits than its factorization.

470823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156944.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 470823 is about 686.1654319477. The cubic root of 470823 is about 77.7951561319.

Adding to 470823 its reverse (328074), we get a palindrome (798897).

It can be divided in two parts, 47082 and 3, that multiplied together give a triangular number (141246 = T₅₃₁).

The spelling of 470823 in words is "four hundred seventy thousand, eight hundred twenty-three".