538218323 has 2 divisors, whose sum is σ = 538218324. Its totient is φ = 538218322.

The previous prime is 538218313. The next prime is 538218341. The reversal of 538218323 is 323812835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538218323 - 2¹⁶ = 538152787 is a prime.

It is not a weakly prime, because it can be changed into another prime (538218313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269109161 + 269109162.

It is an arithmetic number, because the mean of its divisors is an integer number (269109162).

Almost surely, 2^538218323 is an apocalyptic number.

538218323 is a deficient number, since it is larger than the sum of its proper divisors (1).

538218323 is an equidigital number, since it uses as much as digits as its factorization.

538218323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 538218323 is about 23199.5328185720. The cubic root of 538218323 is about 813.4287027415.

The spelling of 538218323 in words is "five hundred thirty-eight million, two hundred eighteen thousand, three hundred twenty-three".