23134302454543 has 4 divisors (see below), whose sum is σ = 26439202805200. Its totient is φ = 19829402103888.

The previous prime is 23134302454507. The next prime is 23134302454667. The reversal of 23134302454543 is 34545420343132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23134302454543 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 23134302454543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134302455543) 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, 1652450175318 + ... + 1652450175331.

It is an arithmetic number, because the mean of its divisors is an integer number (6609800701300).

Almost surely, 2^{23134302454543} is an apocalyptic number.

23134302454543 is a deficient number, since it is larger than the sum of its proper divisors (3304900350657).

23134302454543 is an equidigital number, since it uses as much as digits as its factorization.

23134302454543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304900350656.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 23134302454543 its reverse (34545420343132), we get a palindrome (57679722797675).

The spelling of 23134302454543 in words is "twenty-three trillion, one hundred thirty-four billion, three hundred two million, four hundred fifty-four thousand, five hundred forty-three".