23027987840 has 768 divisors, whose sum is σ = 74036773440. Its totient is φ = 6723993600.

The previous prime is 23027987831. The next prime is 23027987869. The reversal of 23027987840 is 4878972032.

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, 561658220 + ... + 561658260.

Almost surely, 2^23027987840 is an apocalyptic number.

23027987840 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 23027987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37018386720).

23027987840 is an abundant number, since it is smaller than the sum of its proper divisors (51008785600).

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

23027987840 is a wasteful number, since it uses less digits than its factorization.

23027987840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 23027987840 in words is "twenty-three billion, twenty-seven million, nine hundred eighty-seven thousand, eight hundred forty".