23321322020100 has 288 divisors, whose sum is σ = 73016167916160. Its totient is φ = 5713092034560.

The previous prime is 23321322020093. The next prime is 23321322020123. The reversal of 23321322020100 is 102022312332.

It is a happy number.

It is a super-2 number, since 2×23321322020100² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 844441492 + ... + 844469108.

It is an arithmetic number, because the mean of its divisors is an integer number (253528360820).

Almost surely, 2^{23321322020100} is an apocalyptic number.

23321322020100 is a gapful number since it is divisible by the number (20) 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 23321322020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36508083958080).

23321322020100 is an abundant number, since it is smaller than the sum of its proper divisors (49694845896060).

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

23321322020100 is a wasteful number, since it uses less digits than its factorization.

23321322020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28679 (or 28672 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23321322020100 its reverse (102022312332), we get a palindrome (23423344332432).

The spelling of 23321322020100 in words is "twenty-three trillion, three hundred twenty-one billion, three hundred twenty-two million, twenty thousand, one hundred".