540134423 has 2 divisors, whose sum is σ = 540134424. Its totient is φ = 540134422.

The previous prime is 540134381. The next prime is 540134431. The reversal of 540134423 is 324431045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540134423 - 2²⁴ = 523357207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540134392 and 540134401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540134453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270067211 + 270067212.

It is an arithmetic number, because the mean of its divisors is an integer number (270067212).

Almost surely, 2^540134423 is an apocalyptic number.

540134423 is a deficient number, since it is larger than the sum of its proper divisors (1).

540134423 is an equidigital number, since it uses as much as digits as its factorization.

540134423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 540134423 is about 23240.7922197157. The cubic root of 540134423 is about 814.3928497723.

Adding to 540134423 its reverse (324431045), we get a palindrome (864565468).

The spelling of 540134423 in words is "five hundred forty million, one hundred thirty-four thousand, four hundred twenty-three".