4543204023455 has 4 divisors (see below), whose sum is σ = 5451844828152. Its totient is φ = 3634563218760.

The previous prime is 4543204023451. The next prime is 4543204023487. The reversal of 4543204023455 is 5543204023454.

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

It is not a de Polignac number, because 4543204023455 - 2² = 4543204023451 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 (4543204023451) 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, 454320402341 + ... + 454320402350.

It is an arithmetic number, because the mean of its divisors is an integer number (1362961207038).

Almost surely, 2^{4543204023455} is an apocalyptic number.

4543204023455 is a deficient number, since it is larger than the sum of its proper divisors (908640804697).

4543204023455 is an equidigital number, since it uses as much as digits as its factorization.

4543204023455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908640804696.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Subtracting 4543204023455 from its reverse (5543204023454), we obtain a palindrome (999999999999).

The spelling of 4543204023455 in words is "four trillion, five hundred forty-three billion, two hundred four million, twenty-three thousand, four hundred fifty-five".