23220342320 has 160 divisors (see below), whose sum is σ = 65194874880. Its totient is φ = 7513482240.

The previous prime is 23220342293. The next prime is 23220342337. The reversal of 23220342320 is 2324302232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2879414 + ... + 2887466.

It is an arithmetic number, because the mean of its divisors is an integer number (407467968).

Almost surely, 2^23220342320 is an apocalyptic number.

23220342320 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 23220342320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32597437440).

23220342320 is an abundant number, since it is smaller than the sum of its proper divisors (41974532560).

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

23220342320 is a wasteful number, since it uses less digits than its factorization.

23220342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363 (or 8357 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23220342320 its reverse (2324302232), we get a palindrome (25544644552).

The spelling of 23220342320 in words is "twenty-three billion, two hundred twenty million, three hundred forty-two thousand, three hundred twenty".