23321101620 has 96 divisors (see below), whose sum is σ = 69098158080. Its totient is φ = 5864763520.

The previous prime is 23321101607. The next prime is 23321101667. The reversal of 23321101620 is 2610112332.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 21030 + ... + 216989.

It is an arithmetic number, because the mean of its divisors is an integer number (719772480).

Almost surely, 2^23321101620 is an apocalyptic number.

23321101620 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 23321101620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34549079040).

23321101620 is an abundant number, since it is smaller than the sum of its proper divisors (45777056460).

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

23321101620 is a wasteful number, since it uses less digits than its factorization.

23321101620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238125 (or 238123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23321101620 its reverse (2610112332), we get a palindrome (25931213952).

The spelling of 23321101620 in words is "twenty-three billion, three hundred twenty-one million, one hundred one thousand, six hundred twenty".