823306253 has 8 divisors (see below), whose sum is σ = 1026459840. Its totient is φ = 641537280.

The previous prime is 823306249. The next prime is 823306279. The reversal of 823306253 is 352603328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 823306253 - 2² = 823306249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823306283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5346068 + ... + 5346221.

It is an arithmetic number, because the mean of its divisors is an integer number (128307480).

Almost surely, 2^823306253 is an apocalyptic number.

It is an amenable number.

823306253 is a deficient number, since it is larger than the sum of its proper divisors (203153587).

823306253 is a wasteful number, since it uses less digits than its factorization.

823306253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692307.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 823306253 is about 28693.3137333421. The cubic root of 823306253 is about 937.2464510896.

The spelling of 823306253 in words is "eight hundred twenty-three million, three hundred six thousand, two hundred fifty-three".