540653123 has 2 divisors, whose sum is σ = 540653124. Its totient is φ = 540653122.

The previous prime is 540653117. The next prime is 540653129. The reversal of 540653123 is 321356045.

It is a balanced prime because it is at equal distance from previous prime (540653117) and next prime (540653129).

It is a cyclic number.

It is not a de Polignac number, because 540653123 - 2⁶ = 540653059 is a prime.

It is not a weakly prime, because it can be changed into another prime (540653129) 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 as a sum of consecutive naturals, namely, 270326561 + 270326562.

It is an arithmetic number, because the mean of its divisors is an integer number (270326562).

Almost surely, 2^540653123 is an apocalyptic number.

540653123 is a deficient number, since it is larger than the sum of its proper divisors (1).

540653123 is an equidigital number, since it uses as much as digits as its factorization.

540653123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 540653123 is about 23251.9488000468. The cubic root of 540653123 is about 814.6534579990.

The spelling of 540653123 in words is "five hundred forty million, six hundred fifty-three thousand, one hundred twenty-three".