23305056074543 has 4 divisors (see below), whose sum is σ = 23652892732440. Its totient is φ = 22957219416648.

The previous prime is 23305056074413. The next prime is 23305056074567. The reversal of 23305056074543 is 34547065050332.

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 23305056074543 - 2¹² = 23305056070447 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 (23305056073543) 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, 173918328848 + ... + 173918328981.

It is an arithmetic number, because the mean of its divisors is an integer number (5913223183110).

Almost surely, 2^{23305056074543} is an apocalyptic number.

23305056074543 is a deficient number, since it is larger than the sum of its proper divisors (347836657897).

23305056074543 is an equidigital number, since it uses as much as digits as its factorization.

23305056074543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347836657896.

The product of its (nonzero) digits is 4536000, while the sum is 47.

It can be divided in two parts, 2330505 and 6074543, that added together give a palindrome (8405048).

The spelling of 23305056074543 in words is "twenty-three trillion, three hundred five billion, fifty-six million, seventy-four thousand, five hundred forty-three".