23809311516 has 12 divisors (see below), whose sum is σ = 55555060232. Its totient is φ = 7936437168.

The previous prime is 23809311503. The next prime is 23809311541. The reversal of 23809311516 is 61511390832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992054635 + ... + 992054658.

Almost surely, 2^23809311516 is an apocalyptic number.

It is an amenable number.

23809311516 is an abundant number, since it is smaller than the sum of its proper divisors (31745748716).

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

23809311516 is a wasteful number, since it uses less digits than its factorization.

23809311516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984109300 (or 1984109298 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 23809311516 in words is "twenty-three billion, eight hundred nine million, three hundred eleven thousand, five hundred sixteen".