823144230 has 48 divisors (see below), whose sum is σ = 2143958544. Its totient is φ = 219117120.

The previous prime is 823144211. The next prime is 823144237. The reversal of 823144230 is 32441328.

823144230 is a `hidden beast` number, since 8 + 231 + 4 + 423 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 823144194 and 823144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823144237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45040 + ... + 60620.

It is an arithmetic number, because the mean of its divisors is an integer number (44665803).

Almost surely, 2^823144230 is an apocalyptic number.

823144230 is an abundant number, since it is smaller than the sum of its proper divisors (1320814314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823144230 is a wasteful number, since it uses less digits than its factorization.

823144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181 (or 16178 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 823144230 is about 28690.4902363135. The cubic root of 823144230 is about 937.1849650817.

Adding to 823144230 its reverse (32441328), we get a palindrome (855585558).

The spelling of 823144230 in words is "eight hundred twenty-three million, one hundred forty-four thousand, two hundred thirty".