823341980 has 12 divisors (see below), whose sum is σ = 1729018200. Its totient is φ = 329336784.

The previous prime is 823341931. The next prime is 823341983. The reversal of 823341980 is 89143328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823341983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20583530 + ... + 20583569.

It is an arithmetic number, because the mean of its divisors is an integer number (144084850).

Almost surely, 2^823341980 is an apocalyptic number.

It is an amenable number.

823341980 is an abundant number, since it is smaller than the sum of its proper divisors (905676220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823341980 is a wasteful number, since it uses less digits than its factorization.

823341980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41167108 (or 41167106 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 823341980 is about 28693.9362932310. The cubic root of 823341980 is about 937.2600080212.

The spelling of 823341980 in words is "eight hundred twenty-three million, three hundred forty-one thousand, nine hundred eighty".