540533423 has 4 divisors (see below), whose sum is σ = 540733368. Its totient is φ = 540333480.

The previous prime is 540533393. The next prime is 540533443. The reversal of 540533423 is 324335045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324335045 = 5 ⋅64867009.

It is a cyclic number.

It is not a de Polignac number, because 540533423 - 2⁶ = 540533359 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 (540533443) 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, 95861 + ... + 101342.

It is an arithmetic number, because the mean of its divisors is an integer number (135183342).

Almost surely, 2^540533423 is an apocalyptic number.

540533423 is a deficient number, since it is larger than the sum of its proper divisors (199945).

540533423 is a wasteful number, since it uses less digits than its factorization.

540533423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199944.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 540533423 is about 23249.3746797629. The cubic root of 540533423 is about 814.5933324385.

Adding to 540533423 its reverse (324335045), we get a palindrome (864868468).

The spelling of 540533423 in words is "five hundred forty million, five hundred thirty-three thousand, four hundred twenty-three".