540564123 has 8 divisors (see below), whose sum is σ = 786275136. Its totient is φ = 327614600.

The previous prime is 540564097. The next prime is 540564133. The reversal of 540564123 is 321465045.

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

It is a cyclic number.

It is not a de Polignac number, because 540564123 - 2⁵ = 540564091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540564133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190333 + ... + 8190398.

It is an arithmetic number, because the mean of its divisors is an integer number (98284392).

Almost surely, 2^540564123 is an apocalyptic number.

540564123 is a deficient number, since it is larger than the sum of its proper divisors (245711013).

540564123 is a wasteful number, since it uses less digits than its factorization.

540564123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380745.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 540564123 is about 23250.0349031996. The cubic root of 540564123 is about 814.6087539590.

The spelling of 540564123 in words is "five hundred forty million, five hundred sixty-four thousand, one hundred twenty-three".