23908711680 has 864 divisors, whose sum is σ = 99995750400. Its totient is φ = 5356855296.

The previous prime is 23908711679. The next prime is 23908711699. The reversal of 23908711680 is 8611780932.

It is a tau number, because it is divible by the number of its divisors (864).

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 95 ways as a sum of consecutive naturals, for example, 172005051 + ... + 172005189.

Almost surely, 2^23908711680 is an apocalyptic number.

23908711680 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 23908711680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49997875200).

23908711680 is an abundant number, since it is smaller than the sum of its proper divisors (76087038720).

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

23908711680 is an equidigital number, since it uses as much as digits as its factorization.

23908711680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 23908711680 in words is "twenty-three billion, nine hundred eight million, seven hundred eleven thousand, six hundred eighty".