543042253523 has 8 divisors (see below), whose sum is σ = 677039692800. Its totient is φ = 423149807880.

The previous prime is 543042253517. The next prime is 543042253573. The reversal of 543042253523 is 325352240345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543042253523 is a prime.

It is a super-2 number, since 2×543042253523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543042253573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526248323 + ... + 3526248476.

It is an arithmetic number, because the mean of its divisors is an integer number (84629961600).

Almost surely, 2^543042253523 is an apocalyptic number.

543042253523 is a deficient number, since it is larger than the sum of its proper divisors (133997439277).

543042253523 is a wasteful number, since it uses less digits than its factorization.

543042253523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052496817.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 543042253523 its reverse (325352240345), we get a palindrome (868394493868).

The spelling of 543042253523 in words is "five hundred forty-three billion, forty-two million, two hundred fifty-three thousand, five hundred twenty-three".