540097423 has 2 divisors, whose sum is σ = 540097424. Its totient is φ = 540097422.

The previous prime is 540097381. The next prime is 540097433. The reversal of 540097423 is 324790045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540097423 - 2²¹ = 538000271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540097433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270048711 + 270048712.

It is an arithmetic number, because the mean of its divisors is an integer number (270048712).

Almost surely, 2^540097423 is an apocalyptic number.

540097423 is a deficient number, since it is larger than the sum of its proper divisors (1).

540097423 is an equidigital number, since it uses as much as digits as its factorization.

540097423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 540097423 is about 23239.9961919102. The cubic root of 540097423 is about 814.3742536462.

The spelling of 540097423 in words is "five hundred forty million, ninety-seven thousand, four hundred twenty-three".