23000133320 has 64 divisors (see below), whose sum is σ = 52426725120. Its totient is φ = 9080026624.

The previous prime is 23000133313. The next prime is 23000133329. The reversal of 23000133320 is 2333100032.

It is a super-2 number, since 2×23000133320² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23000133329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957857 + ... + 3963663.

It is an arithmetic number, because the mean of its divisors is an integer number (819167580).

Almost surely, 2^23000133320 is an apocalyptic number.

23000133320 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 23000133320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26213362560).

23000133320 is an abundant number, since it is smaller than the sum of its proper divisors (29426591800).

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

23000133320 is a wasteful number, since it uses less digits than its factorization.

23000133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 7090 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23000133320 its reverse (2333100032), we get a palindrome (25333233352).

The spelling of 23000133320 in words is "twenty-three billion, one hundred thirty-three thousand, three hundred twenty".