540230723 has 2 divisors, whose sum is σ = 540230724. Its totient is φ = 540230722.

The previous prime is 540230689. The next prime is 540230741. The reversal of 540230723 is 327032045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540230723 - 2⁶ = 540230659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540230692 and 540230701.

It is not a weakly prime, because it can be changed into another prime (540230753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270115361 + 270115362.

It is an arithmetic number, because the mean of its divisors is an integer number (270115362).

Almost surely, 2^540230723 is an apocalyptic number.

540230723 is a deficient number, since it is larger than the sum of its proper divisors (1).

540230723 is an equidigital number, since it uses as much as digits as its factorization.

540230723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 540230723 is about 23242.8639156193. The cubic root of 540230723 is about 814.4412459787.

Adding to 540230723 its reverse (327032045), we get a palindrome (867262768).

The spelling of 540230723 in words is "five hundred forty million, two hundred thirty thousand, seven hundred twenty-three".