23908465218 has 32 divisors (see below), whose sum is σ = 53436220992. Its totient is φ = 7068281600.

The previous prime is 23908465199. The next prime is 23908465223. The reversal of 23908465218 is 81256480932.

It is a super-2 number, since 2×23908465218² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414971 + ... + 4420382.

It is an arithmetic number, because the mean of its divisors is an integer number (1669881906).

Almost surely, 2^23908465218 is an apocalyptic number.

23908465218 is an abundant number, since it is smaller than the sum of its proper divisors (29527755774).

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

23908465218 is a wasteful number, since it uses less digits than its factorization.

23908465218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835410.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 23908465218 in words is "twenty-three billion, nine hundred eight million, four hundred sixty-five thousand, two hundred eighteen".