540012323 has 4 divisors (see below), whose sum is σ = 540911448. Its totient is φ = 539113200.

The previous prime is 540012313. The next prime is 540012337. The reversal of 540012323 is 323210045.

It is a happy number.

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 540012323 - 2¹⁶ = 539946787 is a prime.

It is a super-2 number, since 2×540012323² = 583226617983712658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540012295 and 540012304.

It is not an unprimeable number, because it can be changed into a prime (540012313) 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, 448661 + ... + 449862.

It is an arithmetic number, because the mean of its divisors is an integer number (135227862).

Almost surely, 2^540012323 is an apocalyptic number.

540012323 is a deficient number, since it is larger than the sum of its proper divisors (899125).

540012323 is an equidigital number, since it uses as much as digits as its factorization.

540012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899124.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 540012323 is about 23238.1652244750. The cubic root of 540012323 is about 814.3314793329.

Adding to 540012323 its reverse (323210045), we get a palindrome (863222368).

The spelling of 540012323 in words is "five hundred forty million, twelve thousand, three hundred twenty-three".