23243220330 has 96 divisors (see below), whose sum is σ = 61629144192. Its totient is φ = 5605944960.

The previous prime is 23243220311. The next prime is 23243220349. The reversal of 23243220330 is 3302234232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23243220311) and next prime (23243220349).

It is a self number, because there is not a number n which added to its sum of digits gives 23243220330.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 698859 + ... + 731361.

It is an arithmetic number, because the mean of its divisors is an integer number (641970252).

Almost surely, 2^23243220330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23243220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30814572096).

23243220330 is an abundant number, since it is smaller than the sum of its proper divisors (38385923862).

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

23243220330 is a wasteful number, since it uses less digits than its factorization.

23243220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32732 (or 32721 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 23243220330 its reverse (3302234232), we get a palindrome (26545454562).

The spelling of 23243220330 in words is "twenty-three billion, two hundred forty-three million, two hundred twenty thousand, three hundred thirty".