23213313320 has 128 divisors (see below), whose sum is σ = 55177718400. Its totient is φ = 8776320000.

The previous prime is 23213313307. The next prime is 23213313337. The reversal of 23213313320 is 2331331232.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17760107 + ... + 17761413.

It is an arithmetic number, because the mean of its divisors is an integer number (431075925).

Almost surely, 2^23213313320 is an apocalyptic number.

23213313320 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 23213313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27588859200).

23213313320 is an abundant number, since it is smaller than the sum of its proper divisors (31964405080).

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

23213313320 is a wasteful number, since it uses less digits than its factorization.

23213313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23213313320 its reverse (2331331232), we get a palindrome (25544644552).

The spelling of 23213313320 in words is "twenty-three billion, two hundred thirteen million, three hundred thirteen thousand, three hundred twenty".