23397820781760 has 672 divisors, whose sum is σ = 85809227212800. Its totient is φ = 6065539780608.

The previous prime is 23397820781737. The next prime is 23397820781789. The reversal of 23397820781760 is 6718702879332.

23397820781760 is a `hidden beast` number, since 2 + 3 + 397 + 8 + 2 + 0 + 78 + 176 + 0 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 544531797 + ... + 544574763.

It is an arithmetic number, because the mean of its divisors is an integer number (127692302400).

Almost surely, 2^{23397820781760} is an apocalyptic number.

23397820781760 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 23397820781760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42904613606400).

23397820781760 is an abundant number, since it is smaller than the sum of its proper divisors (62411406431040).

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

23397820781760 is a wasteful number, since it uses less digits than its factorization.

23397820781760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43195 (or 43173 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 23397820781760 in words is "twenty-three trillion, three hundred ninety-seven billion, eight hundred twenty million, seven hundred eighty-one thousand, seven hundred sixty".