23011023320 has 64 divisors (see below), whose sum is σ = 52918272000. Its totient is φ = 9003173760.

The previous prime is 23011023289. The next prime is 23011023323. The reversal of 23011023320 is 2332011032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011023323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 328781 + ... + 392579.

It is an arithmetic number, because the mean of its divisors is an integer number (826848000).

Almost surely, 2^23011023320 is an apocalyptic number.

23011023320 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 23011023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26459136000).

23011023320 is an abundant number, since it is smaller than the sum of its proper divisors (29907248680).

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

23011023320 is a wasteful number, since it uses less digits than its factorization.

23011023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64008 (or 64004 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23011023320 its reverse (2332011032), we get a palindrome (25343034352).

The spelling of 23011023320 in words is "twenty-three billion, eleven million, twenty-three thousand, three hundred twenty".