23321113013100 has 216 divisors, whose sum is σ = 78575135244480. Its totient is φ = 5324908068480.

The previous prime is 23321113013071. The next prime is 23321113013111. The reversal of 23321113013100 is 131031112332.

It is a happy number.

It is a super-2 number, since 2×23321113013100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13083271 + ... + 14758529.

It is an arithmetic number, because the mean of its divisors is an integer number (363773774280).

Almost surely, 2^{23321113013100} is an apocalyptic number.

23321113013100 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 23321113013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39287567622240).

23321113013100 is an abundant number, since it is smaller than the sum of its proper divisors (55254022231380).

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

23321113013100 is a wasteful number, since it uses less digits than its factorization.

23321113013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676237 (or 1676223 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23321113013100 its reverse (131031112332), we get a palindrome (23452144125432).

The spelling of 23321113013100 in words is "twenty-three trillion, three hundred twenty-one billion, one hundred thirteen million, thirteen thousand, one hundred".