23121068418 has 48 divisors (see below), whose sum is σ = 58648576896. Its totient is φ = 6444895680.

The previous prime is 23121068407. The next prime is 23121068431. The reversal of 23121068418 is 81486012132.

23121068418 is a `hidden beast` number, since 23 + 1 + 210 + 6 + 8 + 418 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2232646 + ... + 2242977.

It is an arithmetic number, because the mean of its divisors is an integer number (1221845352).

Almost surely, 2^23121068418 is an apocalyptic number.

23121068418 is an abundant number, since it is smaller than the sum of its proper divisors (35527508478).

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

23121068418 is a wasteful number, since it uses less digits than its factorization.

23121068418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475679 (or 4475676 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 23121068418 in words is "twenty-three billion, one hundred twenty-one million, sixty-eight thousand, four hundred eighteen".