23473444547 has 4 divisors (see below), whose sum is σ = 26826793776. Its totient is φ = 20120095320.

The previous prime is 23473444541. The next prime is 23473444571. The reversal of 23473444547 is 74544437432.

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 23473444547 - 2¹⁶ = 23473379011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23473444541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676674604 + ... + 1676674617.

It is an arithmetic number, because the mean of its divisors is an integer number (6706698444).

Almost surely, 2^23473444547 is an apocalyptic number.

23473444547 is a deficient number, since it is larger than the sum of its proper divisors (3353349229).

23473444547 is an equidigital number, since it uses as much as digits as its factorization.

23473444547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353349228.

The product of its digits is 4515840, while the sum is 47.

The spelling of 23473444547 in words is "twenty-three billion, four hundred seventy-three million, four hundred forty-four thousand, five hundred forty-seven".