823431468 has 12 divisors (see below), whose sum is σ = 1921340120. Its totient is φ = 274477152.

The previous prime is 823431449. The next prime is 823431491. The reversal of 823431468 is 864134328.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34309633 + ... + 34309656.

Almost surely, 2^823431468 is an apocalyptic number.

It is an amenable number.

823431468 is an abundant number, since it is smaller than the sum of its proper divisors (1097908652).

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

823431468 is a wasteful number, since it uses less digits than its factorization.

823431468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68619296 (or 68619294 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 823431468 is about 28695.4956047112. The cubic root of 823431468 is about 937.2939633266.

The spelling of 823431468 in words is "eight hundred twenty-three million, four hundred thirty-one thousand, four hundred sixty-eight".