23900385600 has 1512 divisors, whose sum is σ = 111494328192. Its totient is φ = 4744396800.

The previous prime is 23900385571. The next prime is 23900385601. The reversal of 23900385600 is 658300932.

23900385600 is a `hidden beast` number, since 2 + 3 + 90 + 0 + 3 + 8 + 560 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23900385601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 391809570 + ... + 391809630.

Almost surely, 2^23900385600 is an apocalyptic number.

23900385600 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 23900385600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55747164096).

23900385600 is an abundant number, since it is smaller than the sum of its proper divisors (87593942592).

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

23900385600 is a wasteful number, since it uses less digits than its factorization.

23900385600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 23900385600 in words is "twenty-three billion, nine hundred million, three hundred eighty-five thousand, six hundred".