540030123 has 6 divisors (see below), whose sum is σ = 780043524. Its totient is φ = 360020076.

The previous prime is 540030119. The next prime is 540030131. The reversal of 540030123 is 321030045.

540030123 is a `hidden beast` number, since 540 + 0 + 3 + 0 + 123 = 666.

It is not a de Polignac number, because 540030123 - 2² = 540030119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540030096 and 540030105.

It is not an unprimeable number, because it can be changed into a prime (540030193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30001665 + ... + 30001682.

It is an arithmetic number, because the mean of its divisors is an integer number (130007254).

Almost surely, 2^540030123 is an apocalyptic number.

540030123 is a deficient number, since it is larger than the sum of its proper divisors (240013401).

540030123 is a wasteful number, since it uses less digits than its factorization.

540030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60003353 (or 60003350 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 540030123 is about 23238.5482119688. The cubic root of 540030123 is about 814.3404266232.

Adding to 540030123 its reverse (321030045), we get a palindrome (861060168).

The spelling of 540030123 in words is "five hundred forty million, thirty thousand, one hundred twenty-three".