823133084 has 6 divisors (see below), whose sum is σ = 1440482904. Its totient is φ = 411566540.

The previous prime is 823133083. The next prime is 823133093. The reversal of 823133084 is 480331328.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 823133084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823133083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102891632 + ... + 102891639.

It is an arithmetic number, because the mean of its divisors is an integer number (240080484).

Almost surely, 2^823133084 is an apocalyptic number.

It is an amenable number.

823133084 is a deficient number, since it is larger than the sum of its proper divisors (617349820).

823133084 is a wasteful number, since it uses less digits than its factorization.

823133084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205783275 (or 205783273 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 823133084 is about 28690.2959901079. The cubic root of 823133084 is about 937.1807349965.

The spelling of 823133084 in words is "eight hundred twenty-three million, one hundred thirty-three thousand, eighty-four".