823433047 has 8 divisors (see below), whose sum is σ = 852207840. Its totient is φ = 794683680.

The previous prime is 823433033. The next prime is 823433057. The reversal of 823433047 is 740334328.

It is a happy number.

823433047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 823433047 - 2¹¹ = 823430999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823433057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79297 + ... + 89077.

It is an arithmetic number, because the mean of its divisors is an integer number (106525980).

Almost surely, 2^823433047 is an apocalyptic number.

823433047 is a deficient number, since it is larger than the sum of its proper divisors (28774793).

823433047 is a wasteful number, since it uses less digits than its factorization.

823433047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 823433047 is about 28695.5231177269. The cubic root of 823433047 is about 937.2945624399.

The spelling of 823433047 in words is "eight hundred twenty-three million, four hundred thirty-three thousand, forty-seven".