4543541423 has 4 divisors (see below), whose sum is σ = 4547490048. Its totient is φ = 4539592800.

The previous prime is 4543541419. The next prime is 4543541437. The reversal of 4543541423 is 3241453454.

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 4543541423 - 2² = 4543541419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543541413) 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, 1972586 + ... + 1974887.

It is an arithmetic number, because the mean of its divisors is an integer number (1136872512).

Almost surely, 2^4543541423 is an apocalyptic number.

4543541423 is a deficient number, since it is larger than the sum of its proper divisors (3948625).

4543541423 is a wasteful number, since it uses less digits than its factorization.

4543541423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948624.

The product of its digits is 115200, while the sum is 35.

The square root of 4543541423 is about 67405.7966572609. The cubic root of 4543541423 is about 1656.2713794739.

Adding to 4543541423 its reverse (3241453454), we get a palindrome (7784994877).

The spelling of 4543541423 in words is "four billion, five hundred forty-three million, five hundred forty-one thousand, four hundred twenty-three".