540320223 has 8 divisors (see below), whose sum is σ = 724048000. Its totient is φ = 358402968.

The previous prime is 540320219. The next prime is 540320239. The reversal of 540320223 is 322023045.

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

It is not a de Polignac number, because 540320223 - 2² = 540320219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540320223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540320273) 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, 451933 + ... + 453126.

It is an arithmetic number, because the mean of its divisors is an integer number (90506000).

Almost surely, 2^540320223 is an apocalyptic number.

540320223 is a deficient number, since it is larger than the sum of its proper divisors (183727777).

540320223 is a wasteful number, since it uses less digits than its factorization.

540320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905261.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 540320223 is about 23244.7891580027. The cubic root of 540320223 is about 814.4862196436.

Adding to 540320223 its reverse (322023045), we get a palindrome (862343268).

The spelling of 540320223 in words is "five hundred forty million, three hundred twenty thousand, two hundred twenty-three".