23781703680 has 480 divisors, whose sum is σ = 97442064720. Its totient is φ = 5435817984.

The previous prime is 23781703669. The next prime is 23781703697. The reversal of 23781703680 is 8630718732.

It is a Jordan-Polya number, since it can be written as 9! ⋅ (2!)¹⁶.

23781703680 is a `hidden beast` number, since 2 + 378 + 170 + 36 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3397386237 + ... + 3397386243.

Almost surely, 2^23781703680 is an apocalyptic number.

23781703680 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 23781703680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48721032360).

23781703680 is an abundant number, since it is smaller than the sum of its proper divisors (73660361040).

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

23781703680 is an frugal number, since it uses more digits than its factorization.

23781703680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 23781703680 in words is "twenty-three billion, seven hundred eighty-one million, seven hundred three thousand, six hundred eighty".