23818320210663 has 12 divisors (see below), whose sum is σ = 37531898513928. Its totient is φ = 14435345582160.

The previous prime is 23818320210653. The next prime is 23818320210679. The reversal of 23818320210663 is 36601202381832.

23818320210663 is a `hidden beast` number, since 2 + 381 + 8 + 3 + 202 + 1 + 0 + 6 + 63 = 666.

It is not a de Polignac number, because 23818320210663 - 2⁹ = 23818320210151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23818320210653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120294546420 + ... + 120294546617.

It is an arithmetic number, because the mean of its divisors is an integer number (3127658209494).

Almost surely, 2^{23818320210663} is an apocalyptic number.

23818320210663 is a deficient number, since it is larger than the sum of its proper divisors (13713578303265).

23818320210663 is a wasteful number, since it uses less digits than its factorization.

23818320210663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240589093054 (or 240589093051 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 23818320210663 in words is "twenty-three trillion, eight hundred eighteen billion, three hundred twenty million, two hundred ten thousand, six hundred sixty-three".