540232423 has 2 divisors, whose sum is σ = 540232424. Its totient is φ = 540232422.

The previous prime is 540232421. The next prime is 540232471. The reversal of 540232423 is 324232045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540232423 - 2¹ = 540232421 is a prime.

Together with 540232421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540232421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270116211 + 270116212.

It is an arithmetic number, because the mean of its divisors is an integer number (270116212).

Almost surely, 2^540232423 is an apocalyptic number.

540232423 is a deficient number, since it is larger than the sum of its proper divisors (1).

540232423 is an equidigital number, since it uses as much as digits as its factorization.

540232423 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 25.

The square root of 540232423 is about 23242.9004859548. The cubic root of 540232423 is about 814.4421002734.

Adding to 540232423 its reverse (324232045), we get a palindrome (864464468).

The spelling of 540232423 in words is "five hundred forty million, two hundred thirty-two thousand, four hundred twenty-three".