540343023 has 16 divisors (see below), whose sum is σ = 786433536. Its totient is φ = 327280640.

The previous prime is 540343019. The next prime is 540343039. The reversal of 540343023 is 320343045.

It is a cyclic number.

It is not a de Polignac number, because 540343023 - 2² = 540343019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540342984 and 540343002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540343723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64111 + ... + 72047.

It is an arithmetic number, because the mean of its divisors is an integer number (49152096).

Almost surely, 2^540343023 is an apocalyptic number.

540343023 is a deficient number, since it is larger than the sum of its proper divisors (246090513).

540343023 is a wasteful number, since it uses less digits than its factorization.

540343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 540343023 is about 23245.2795853266. The cubic root of 540343023 is about 814.4976758282.

Adding to 540343023 its reverse (320343045), we get a palindrome (860686068).

The spelling of 540343023 in words is "five hundred forty million, three hundred forty-three thousand, twenty-three".