540611723 has 2 divisors, whose sum is σ = 540611724. Its totient is φ = 540611722.

The previous prime is 540611641. The next prime is 540611737. The reversal of 540611723 is 327116045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540611723 - 2¹⁶ = 540546187 is a prime.

It is a super-2 number, since 2×540611723² = 584522070090057458, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (540611023) 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 as a sum of consecutive naturals, namely, 270305861 + 270305862.

It is an arithmetic number, because the mean of its divisors is an integer number (270305862).

Almost surely, 2^540611723 is an apocalyptic number.

540611723 is a deficient number, since it is larger than the sum of its proper divisors (1).

540611723 is an equidigital number, since it uses as much as digits as its factorization.

540611723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 540611723 is about 23251.0585350431. The cubic root of 540611723 is about 814.6326636964.

Adding to 540611723 its reverse (327116045), we get a palindrome (867727768).

The spelling of 540611723 in words is "five hundred forty million, six hundred eleven thousand, seven hundred twenty-three".