823029968 has 30 divisors (see below), whose sum is σ = 1603890834. Its totient is φ = 409131712.

The previous prime is 823029967. The next prime is 823029997. The reversal of 823029968 is 869920328.

It can be written as a sum of positive squares in only one way, i.e., 811794064 + 11235904 = 28492^2 + 3352^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823029967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1964063 + ... + 1964481.

Almost surely, 2^823029968 is an apocalyptic number.

It is an amenable number.

823029968 is a deficient number, since it is larger than the sum of its proper divisors (780860866).

823029968 is an equidigital number, since it uses as much as digits as its factorization.

823029968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 823029968 is about 28688.4988802133. The cubic root of 823029968 is about 937.1415990146.

The spelling of 823029968 in words is "eight hundred twenty-three million, twenty-nine thousand, nine hundred sixty-eight".