23803228990128 has 240 divisors, whose sum is σ = 72254654557920. Its totient is φ = 6732455288832.

The previous prime is 23803228990117. The next prime is 23803228990129. The reversal of 23803228990128 is 82109982230832.

It is not an unprimeable number, because it can be changed into a prime (23803228990129) 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 47 ways as a sum of consecutive naturals, for example, 99212200 + ... + 99451832.

It is an arithmetic number, because the mean of its divisors is an integer number (301061060658).

Almost surely, 2^{23803228990128} is an apocalyptic number.

23803228990128 is a gapful number since it is divisible by the number (28) 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 23803228990128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36127327278960).

23803228990128 is an abundant number, since it is smaller than the sum of its proper divisors (48451425567792).

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

23803228990128 is a wasteful number, since it uses less digits than its factorization.

23803228990128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240084 (or 240071 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 23803228990128 in words is "twenty-three trillion, eight hundred three billion, two hundred twenty-eight million, nine hundred ninety thousand, one hundred twenty-eight".