23305383552 has 128 divisors (see below), whose sum is σ = 69103710720. Its totient is φ = 6897945600.

The previous prime is 23305383523. The next prime is 23305383553. The reversal of 23305383552 is 25538350332.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 23305383552.

It is not an unprimeable number, because it can be changed into a prime (23305383553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117477 + ... + 245787.

It is an arithmetic number, because the mean of its divisors is an integer number (539872740).

Almost surely, 2^23305383552 is an apocalyptic number.

23305383552 is a gapful number since it is divisible by the number (22) 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 23305383552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34551855360).

23305383552 is an abundant number, since it is smaller than the sum of its proper divisors (45798327168).

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

23305383552 is a wasteful number, since it uses less digits than its factorization.

23305383552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128382 (or 128370 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 23305383552 in words is "twenty-three billion, three hundred five million, three hundred eighty-three thousand, five hundred fifty-two".