23719787816 has 16 divisors (see below), whose sum is σ = 44685385440. Its totient is φ = 11803685040.

The previous prime is 23719787797. The next prime is 23719787869. The reversal of 23719787816 is 61878791732.

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, 7024316 + ... + 7027691.

It is an arithmetic number, because the mean of its divisors is an integer number (2792836590).

Almost surely, 2^23719787816 is an apocalyptic number.

It is an amenable number.

23719787816 is a deficient number, since it is larger than the sum of its proper divisors (20965597624).

23719787816 is a wasteful number, since it uses less digits than its factorization.

23719787816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14052224 (or 14052220 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 59.

The spelling of 23719787816 in words is "twenty-three billion, seven hundred nineteen million, seven hundred eighty-seven thousand, eight hundred sixteen".