23708407543 has 16 divisors (see below), whose sum is σ = 24480665856. Its totient is φ = 22950607680.

The previous prime is 23708407529. The next prime is 23708407549. The reversal of 23708407543 is 34570480732.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23708407543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23708407543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23708407549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480980 + ... + 1496902.

It is an arithmetic number, because the mean of its divisors is an integer number (1530041616).

Almost surely, 2^23708407543 is an apocalyptic number.

23708407543 is a deficient number, since it is larger than the sum of its proper divisors (772258313).

23708407543 is a wasteful number, since it uses less digits than its factorization.

23708407543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 23708407543 in words is "twenty-three billion, seven hundred eight million, four hundred seven thousand, five hundred forty-three".