23434443134143 has 16 divisors (see below), whose sum is σ = 23663467489536. Its totient is φ = 23206561436160.

The previous prime is 23434443134111. The next prime is 23434443134173. The reversal of 23434443134143 is 34143134443432.

It is a cyclic number.

It is not a de Polignac number, because 23434443134143 - 2⁵ = 23434443134111 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 23434443134143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434443134173) 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, 293099430 + ... + 293179372.

It is an arithmetic number, because the mean of its divisors is an integer number (1478966718096).

Almost surely, 2^{23434443134143} is an apocalyptic number.

23434443134143 is a deficient number, since it is larger than the sum of its proper divisors (229024355393).

23434443134143 is a wasteful number, since it uses less digits than its factorization.

23434443134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87054.

The product of its digits is 1990656, while the sum is 43.

Adding to 23434443134143 its reverse (34143134443432), we get a palindrome (57577577577575).

The spelling of 23434443134143 in words is "twenty-three trillion, four hundred thirty-four billion, four hundred forty-three million, one hundred thirty-four thousand, one hundred forty-three".