23399497728000 has 1840 divisors, whose sum is σ = 95006007439200. Its totient is φ = 5707608883200.

The previous prime is 23399497727999. The next prime is 23399497728091. The reversal of 23399497728000 is 82779499332.

23399497728000 is a `hidden beast` number, since 2 + 33 + 99 + 497 + 7 + 28 + 0 + 0 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 806879231986 + ... + 806879232014.

Almost surely, 2^{23399497728000} is an apocalyptic number.

23399497728000 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 23399497728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47503003719600).

23399497728000 is an abundant number, since it is smaller than the sum of its proper divisors (71606509711200).

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

23399497728000 is an frugal number, since it uses more digits than its factorization.

23399497728000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 23399497728000 in words is "twenty-three trillion, three hundred ninety-nine billion, four hundred ninety-seven million, seven hundred twenty-eight thousand".