101323320320 has 88 divisors (see below), whose sum is σ = 243938107824. Its totient is φ = 40382447616.

The previous prime is 101323320281. The next prime is 101323320337. The reversal of 101323320320 is 23023323101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101323320292 and 101323320301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382519 + ... + 1453961.

Almost surely, 2^101323320320 is an apocalyptic number.

101323320320 is a gapful number since it is divisible by the number (10) 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 101323320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121969053912).

101323320320 is an abundant number, since it is smaller than the sum of its proper divisors (142614787504).

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

101323320320 is an equidigital number, since it uses as much as digits as its factorization.

101323320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71745 (or 71727 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 101323320320 its reverse (23023323101), we get a palindrome (124346643421).

The spelling of 101323320320 in words is "one hundred one billion, three hundred twenty-three million, three hundred twenty thousand, three hundred twenty".