543106523623 has 4 divisors (see below), whose sum is σ = 545110607008. Its totient is φ = 541102440240.

The previous prime is 543106523569. The next prime is 543106523629. The reversal of 543106523623 is 326325601345.

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 543106523623 - 2¹³ = 543106515431 is a prime.

It is a super-2 number, since 2×543106523623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543106523629) 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, 1002041286 + ... + 1002041827.

It is an arithmetic number, because the mean of its divisors is an integer number (136277651752).

Almost surely, 2^543106523623 is an apocalyptic number.

543106523623 is a deficient number, since it is larger than the sum of its proper divisors (2004083385).

543106523623 is a wasteful number, since it uses less digits than its factorization.

543106523623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004083384.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 543106523623 in words is "five hundred forty-three billion, one hundred six million, five hundred twenty-three thousand, six hundred twenty-three".