23189727966660 has 240 divisors, whose sum is σ = 75100766264832. Its totient is φ = 5983883942400.

The previous prime is 23189727966653. The next prime is 23189727966673. The reversal of 23189727966660 is 6666972798132.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 943772175 + ... + 943796745.

Almost surely, 2^{23189727966660} is an apocalyptic number.

23189727966660 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 23189727966660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37550383132416).

23189727966660 is an abundant number, since it is smaller than the sum of its proper divisors (51911038298172).

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

23189727966660 is a wasteful number, since it uses less digits than its factorization.

23189727966660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43416 (or 43405 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 23189727966660 in words is "twenty-three trillion, one hundred eighty-nine billion, seven hundred twenty-seven million, nine hundred sixty-six thousand, six hundred sixty".