823465432 has 16 divisors (see below), whose sum is σ = 1544335200. Its totient is φ = 411642720.

The previous prime is 823465421. The next prime is 823465457. The reversal of 823465432 is 234564328.

It is a junction number, because it is equal to n+sod(n) for n = 823465391 and 823465400.

It is a congruent number.

It is an unprimeable number.

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, 43057 + ... + 59167.

It is an arithmetic number, because the mean of its divisors is an integer number (96520950).

Almost surely, 2^823465432 is an apocalyptic number.

It is an amenable number.

823465432 is a deficient number, since it is larger than the sum of its proper divisors (720869768).

823465432 is a wasteful number, since it uses less digits than its factorization.

823465432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22506 (or 22502 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 823465432 is about 28696.0873988075. The cubic root of 823465432 is about 937.3068499746.

It can be divided in two parts, 82346 and 5432, that added together give a palindrome (87778).

The spelling of 823465432 in words is "eight hundred twenty-three million, four hundred sixty-five thousand, four hundred thirty-two".