23657760543 has 4 divisors (see below), whose sum is σ = 31543680728. Its totient is φ = 15771840360.

The previous prime is 23657760527. The next prime is 23657760557. The reversal of 23657760543 is 34506775632.

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

It is not a de Polignac number, because 23657760543 - 2⁴ = 23657760527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23657760492 and 23657760501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23657760523) 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, 3942960088 + ... + 3942960093.

It is an arithmetic number, because the mean of its divisors is an integer number (7885920182).

Almost surely, 2^23657760543 is an apocalyptic number.

23657760543 is a deficient number, since it is larger than the sum of its proper divisors (7885920185).

23657760543 is an equidigital number, since it uses as much as digits as its factorization.

23657760543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885920184.

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 23657760543 in words is "twenty-three billion, six hundred fifty-seven million, seven hundred sixty thousand, five hundred forty-three".