823113345 has 16 divisors (see below), whose sum is σ = 1386296640. Its totient is φ = 415888704.

The previous prime is 823113341. The next prime is 823113367. The reversal of 823113345 is 543311328.

It is not a de Polignac number, because 823113345 - 2² = 823113341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (823113341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443774 + ... + 1444343.

It is an arithmetic number, because the mean of its divisors is an integer number (86643540).

Almost surely, 2^823113345 is an apocalyptic number.

It is an amenable number.

823113345 is a deficient number, since it is larger than the sum of its proper divisors (563183295).

823113345 is a wasteful number, since it uses less digits than its factorization.

823113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888144.

The product of its digits is 8640, while the sum is 30.

The square root of 823113345 is about 28689.9519867148. The cubic root of 823113345 is about 937.1732436366.

The spelling of 823113345 in words is "eight hundred twenty-three million, one hundred thirteen thousand, three hundred forty-five".