23318255845 has 4 divisors (see below), whose sum is σ = 27981907020. Its totient is φ = 18654604672.

The previous prime is 23318255791. The next prime is 23318255867. The reversal of 23318255845 is 54855281332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7044916356 + 16273339489 = 83934^2 + 127567^2 .

It is a cyclic number.

It is not a de Polignac number, because 23318255845 - 2¹¹ = 23318253797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23318255795 and 23318255804.

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, 2331825580 + ... + 2331825589.

It is an arithmetic number, because the mean of its divisors is an integer number (6995476755).

Almost surely, 2^23318255845 is an apocalyptic number.

It is an amenable number.

23318255845 is a deficient number, since it is larger than the sum of its proper divisors (4663651175).

23318255845 is an equidigital number, since it uses as much as digits as its factorization.

23318255845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663651174.

The product of its digits is 1152000, while the sum is 46.

The spelling of 23318255845 in words is "twenty-three billion, three hundred eighteen million, two hundred fifty-five thousand, eight hundred forty-five".