23781507072 has 272 divisors, whose sum is σ = 67821378240. Its totient is φ = 7398752256.

The previous prime is 23781507067. The next prime is 23781507083. The reversal of 23781507072 is 27070518732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245170128 + ... + 245170224.

Almost surely, 2^23781507072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23781507072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33910689120).

23781507072 is an abundant number, since it is smaller than the sum of its proper divisors (44039871168).

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

23781507072 is an frugal number, since it uses more digits than its factorization.

23781507072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 23781507072 in words is "twenty-three billion, seven hundred eighty-one million, five hundred seven thousand, seventy-two".