540650023 has 2 divisors, whose sum is σ = 540650024. Its totient is φ = 540650022.

The previous prime is 540650021. The next prime is 540650027. The reversal of 540650023 is 320056045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540650023 - 2¹ = 540650021 is a prime.

Together with 540650021, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 540650023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540650021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270325011 + 270325012.

It is an arithmetic number, because the mean of its divisors is an integer number (270325012).

Almost surely, 2^540650023 is an apocalyptic number.

540650023 is a deficient number, since it is larger than the sum of its proper divisors (1).

540650023 is an equidigital number, since it uses as much as digits as its factorization.

540650023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540650023 is about 23251.8821388721. The cubic root of 540650023 is about 814.6519009745.

The spelling of 540650023 in words is "five hundred forty million, six hundred fifty thousand, twenty-three".