23216237280 has 192 divisors, whose sum is σ = 83878502400. Its totient is φ = 5991252480.

The previous prime is 23216237267. The next prime is 23216237281. The reversal of 23216237280 is 8273261232.

23216237280 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 623 + 7 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23216237281) 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 31 ways as a sum of consecutive naturals, for example, 47241 + ... + 220599.

It is an arithmetic number, because the mean of its divisors is an integer number (436867200).

Almost surely, 2^23216237280 is an apocalyptic number.

23216237280 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 23216237280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41939251200).

23216237280 is an abundant number, since it is smaller than the sum of its proper divisors (60662265120).

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

23216237280 is a wasteful number, since it uses less digits than its factorization.

23216237280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173414 (or 173400 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 23216237280 in words is "twenty-three billion, two hundred sixteen million, two hundred thirty-seven thousand, two hundred eighty".