23387280320 has 112 divisors (see below), whose sum is σ = 58063119840. Its totient is φ = 8964673536.

The previous prime is 23387280313. The next prime is 23387280349. The reversal of 23387280320 is 2308278332.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 713246 + ... + 745314.

Almost surely, 2^23387280320 is an apocalyptic number.

23387280320 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 23387280320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29031559920).

23387280320 is an abundant number, since it is smaller than the sum of its proper divisors (34675839520).

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

23387280320 is a wasteful number, since it uses less digits than its factorization.

23387280320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32182 (or 32172 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 23387280320 in words is "twenty-three billion, three hundred eighty-seven million, two hundred eighty thousand, three hundred twenty".