23840316081 has 12 divisors (see below), whose sum is σ = 34590436608. Its totient is φ = 15822271224.

The previous prime is 23840316077. The next prime is 23840316083. The reversal of 23840316081 is 18061304832.

23840316081 is a `hidden beast` number, since 2 + 3 + 8 + 40 + 3 + 1 + 608 + 1 = 666.

It is not a de Polignac number, because 23840316081 - 2² = 23840316077 is a prime.

It is a super-2 number, since 2×23840316081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23840316083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5937285 + ... + 5941298.

It is an arithmetic number, because the mean of its divisors is an integer number (2882536384).

Almost surely, 2^23840316081 is an apocalyptic number.

It is an amenable number.

23840316081 is a deficient number, since it is larger than the sum of its proper divisors (10750120527).

23840316081 is a wasteful number, since it uses less digits than its factorization.

23840316081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11878812 (or 11878809 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 23840316081 in words is "twenty-three billion, eight hundred forty million, three hundred sixteen thousand, eighty-one".