23135417816 has 48 divisors (see below), whose sum is σ = 50475814200. Its totient is φ = 9912303744.

The previous prime is 23135417797. The next prime is 23135417863. The reversal of 23135417816 is 61871453132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870340 + ... + 1882668.

Almost surely, 2^23135417816 is an apocalyptic number.

It is an amenable number.

23135417816 is an abundant number, since it is smaller than the sum of its proper divisors (27340396384).

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

23135417816 is a wasteful number, since it uses less digits than its factorization.

23135417816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136 (or 17125 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The spelling of 23135417816 in words is "twenty-three billion, one hundred thirty-five million, four hundred seventeen thousand, eight hundred sixteen".