538918423 has 2 divisors, whose sum is σ = 538918424. Its totient is φ = 538918422.

The previous prime is 538918333. The next prime is 538918439. The reversal of 538918423 is 324819835.

538918423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538918423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538918423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538918493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269459211 + 269459212.

It is an arithmetic number, because the mean of its divisors is an integer number (269459212).

Almost surely, 2^538918423 is an apocalyptic number.

538918423 is a deficient number, since it is larger than the sum of its proper divisors (1).

538918423 is an equidigital number, since it uses as much as digits as its factorization.

538918423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 538918423 is about 23214.6165809388. The cubic root of 538918423 is about 813.7812453602.

The spelling of 538918423 in words is "five hundred thirty-eight million, nine hundred eighteen thousand, four hundred twenty-three".