23412315543 has 4 divisors (see below), whose sum is σ = 31216420728. Its totient is φ = 15608210360.

The previous prime is 23412315541. The next prime is 23412315547. The reversal of 23412315543 is 34551321432.

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 23412315543 - 2¹ = 23412315541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23412315541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902052588 + ... + 3902052593.

It is an arithmetic number, because the mean of its divisors is an integer number (7804105182).

Almost surely, 2^23412315543 is an apocalyptic number.

23412315543 is a deficient number, since it is larger than the sum of its proper divisors (7804105185).

23412315543 is an equidigital number, since it uses as much as digits as its factorization.

23412315543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804105184.

The product of its digits is 43200, while the sum is 33.

Adding to 23412315543 its reverse (34551321432), we get a palindrome (57963636975).

The spelling of 23412315543 in words is "twenty-three billion, four hundred twelve million, three hundred fifteen thousand, five hundred forty-three".