23445112320 has 720 divisors, whose sum is σ = 99515885040. Its totient is φ = 5072191488.

The previous prime is 23445112217. The next prime is 23445112337. The reversal of 23445112320 is 2321154432.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21449694 + ... + 21450786.

It is an arithmetic number, because the mean of its divisors is an integer number (138216507).

Almost surely, 2^23445112320 is an apocalyptic number.

23445112320 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 23445112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49757942520).

23445112320 is an abundant number, since it is smaller than the sum of its proper divisors (76070772720).

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

23445112320 is a wasteful number, since it uses less digits than its factorization.

23445112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23445112320 its reverse (2321154432), we get a palindrome (25766266752).

The spelling of 23445112320 in words is "twenty-three billion, four hundred forty-five million, one hundred twelve thousand, three hundred twenty".