23213322330 has 128 divisors (see below), whose sum is σ = 62516724480. Its totient is φ = 5466839040.

The previous prime is 23213322277. The next prime is 23213322331. The reversal of 23213322330 is 3322331232.

It is a self number, because there is not a number n which added to its sum of digits gives 23213322330.

It is not an unprimeable number, because it can be changed into a prime (23213322331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11439756 + ... + 11441784.

It is an arithmetic number, because the mean of its divisors is an integer number (488411910).

Almost surely, 2^23213322330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23213322330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31258362240).

23213322330 is an abundant number, since it is smaller than the sum of its proper divisors (39303402150).

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

23213322330 is a wasteful number, since it uses less digits than its factorization.

23213322330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23213322330 its reverse (3322331232), we get a palindrome (26535653562).

It can be divided in two parts, 23213 and 322330, that added together give a palindrome (345543).

The spelling of 23213322330 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred thirty".