323199530786820 has 192 divisors, whose sum is σ = 921528186163200. Its totient is φ = 84619111610880.

The previous prime is 323199530786761. The next prime is 323199530786827. The reversal of 323199530786820 is 28687035991323.

It is not an unprimeable number, because it can be changed into a prime (323199530786827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1450260961 + ... + 1450483799.

It is an arithmetic number, because the mean of its divisors is an integer number (4799625969600).

Almost surely, 2^{323199530786820} is an apocalyptic number.

323199530786820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323199530786820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460764093081600).

323199530786820 is an abundant number, since it is smaller than the sum of its proper divisors (598328655376380).

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

323199530786820 is a wasteful number, since it uses less digits than its factorization.

323199530786820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224338 (or 224336 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 323199530786820 in words is "three hundred twenty-three trillion, one hundred ninety-nine billion, five hundred thirty million, seven hundred eighty-six thousand, eight hundred twenty".