23271201969840 has 480 divisors, whose sum is σ = 90615731222016. Its totient is φ = 5289453527040.

The previous prime is 23271201969811. The next prime is 23271201969887. The reversal of 23271201969840 is 4896910217232.

23271201969840 is a `hidden beast` number, since 2 + 3 + 271 + 201 + 96 + 9 + 84 + 0 = 666.

It is a super-2 number, since 2×23271201969840² (a number of 28 digits) contains 22 as substring.

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, 35081727 + ... + 35738913.

Almost surely, 2^{23271201969840} is an apocalyptic number.

23271201969840 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 23271201969840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45307865611008).

23271201969840 is an abundant number, since it is smaller than the sum of its proper divisors (67344529252176).

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

23271201969840 is a wasteful number, since it uses less digits than its factorization.

23271201969840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657497 (or 657488 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 23271201969840 in words is "twenty-three trillion, two hundred seventy-one billion, two hundred one million, nine hundred sixty-nine thousand, eight hundred forty".