23810824413981 has 32 divisors (see below), whose sum is σ = 38664520381440. Its totient is φ = 14362410207600.

The previous prime is 23810824413977. The next prime is 23810824414009. The reversal of 23810824413981 is 18931442801832.

23810824413981 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 0 + 8 + 244 + 1 + 398 + 1 = 666.

It is not a de Polignac number, because 23810824413981 - 2² = 23810824413977 is a prime.

It is a super-2 number, since 2×23810824413981² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23810824413911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189916305 + ... + 190041638.

It is an arithmetic number, because the mean of its divisors is an integer number (1208266261920).

Almost surely, 2^{23810824413981} is an apocalyptic number.

It is an amenable number.

23810824413981 is a deficient number, since it is larger than the sum of its proper divisors (14853695967459).

23810824413981 is a wasteful number, since it uses less digits than its factorization.

23810824413981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379958174 (or 379958168 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 23810824413981 in words is "twenty-three trillion, eight hundred ten billion, eight hundred twenty-four million, four hundred thirteen thousand, nine hundred eighty-one".