23454165864847 has 4 divisors (see below), whose sum is σ = 23673363676776. Its totient is φ = 23234968052920.

The previous prime is 23454165864839. The next prime is 23454165864869. The reversal of 23454165864847 is 74846856145432.

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

It is a cyclic number.

It is not a de Polignac number, because 23454165864847 - 2³ = 23454165864839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454165864887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109598905804 + ... + 109598906017.

It is an arithmetic number, because the mean of its divisors is an integer number (5918340919194).

Almost surely, 2^{23454165864847} is an apocalyptic number.

23454165864847 is a deficient number, since it is larger than the sum of its proper divisors (219197811929).

23454165864847 is a wasteful number, since it uses less digits than its factorization.

23454165864847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219197811928.

The product of its digits is 619315200, while the sum is 67.

The spelling of 23454165864847 in words is "twenty-three trillion, four hundred fifty-four billion, one hundred sixty-five million, eight hundred sixty-four thousand, eight hundred forty-seven".