540532123 has 2 divisors, whose sum is σ = 540532124. Its totient is φ = 540532122.

The previous prime is 540532093. The next prime is 540532171. The reversal of 540532123 is 321235045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540532123 - 2⁹ = 540531611 is a prime.

It is not a weakly prime, because it can be changed into another prime (540532183) 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 as a sum of consecutive naturals, namely, 270266061 + 270266062.

It is an arithmetic number, because the mean of its divisors is an integer number (270266062).

Almost surely, 2^540532123 is an apocalyptic number.

540532123 is a deficient number, since it is larger than the sum of its proper divisors (1).

540532123 is an equidigital number, since it uses as much as digits as its factorization.

540532123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540532123 is about 23249.3467220049. The cubic root of 540532123 is about 814.5926793970.

Adding to 540532123 its reverse (321235045), we get a palindrome (861767168).

The spelling of 540532123 in words is "five hundred forty million, five hundred thirty-two thousand, one hundred twenty-three".