823653652 has 12 divisors (see below), whose sum is σ = 1443896020. Its totient is φ = 411111936.

The previous prime is 823653641. The next prime is 823653653. The reversal of 823653652 is 256356328.

823653652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 743980176 + 79673476 = 27276^2 + 8926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823653653) 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, 176127 + ... + 180742.

Almost surely, 2^823653652 is an apocalyptic number.

It is an amenable number.

823653652 is a deficient number, since it is larger than the sum of its proper divisors (620242368).

823653652 is a wasteful number, since it uses less digits than its factorization.

823653652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357450 (or 357448 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 823653652 is about 28699.3667525958. The cubic root of 823653652 is about 937.3782581352.

The spelling of 823653652 in words is "eight hundred twenty-three million, six hundred fifty-three thousand, six hundred fifty-two".