823294945 has 32 divisors (see below), whose sum is σ = 1104192000. Its totient is φ = 584263680.

The previous prime is 823294943. The next prime is 823294957. The reversal of 823294945 is 549492328.

823294945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 823294945 - 2¹ = 823294943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 823294895 and 823294904.

It is not an unprimeable number, because it can be changed into a prime (823294943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385641 + ... + 387769.

It is an arithmetic number, because the mean of its divisors is an integer number (34506000).

Almost surely, 2^823294945 is an apocalyptic number.

It is an amenable number.

823294945 is a deficient number, since it is larger than the sum of its proper divisors (280897055).

823294945 is a wasteful number, since it uses less digits than its factorization.

823294945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its digits is 622080, while the sum is 46.

The square root of 823294945 is about 28693.1166832744. The cubic root of 823294945 is about 937.2421600856.

The spelling of 823294945 in words is "eight hundred twenty-three million, two hundred ninety-four thousand, nine hundred forty-five".