163038523 has 2 divisors, whose sum is σ = 163038524. Its totient is φ = 163038522.

The previous prime is 163038503. The next prime is 163038529. The reversal of 163038523 is 325830361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163038523 - 2¹³ = 163030331 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (163038529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81519261 + 81519262.

It is an arithmetic number, because the mean of its divisors is an integer number (81519262).

Almost surely, 2^163038523 is an apocalyptic number.

163038523 is a deficient number, since it is larger than the sum of its proper divisors (1).

163038523 is an equidigital number, since it uses as much as digits as its factorization.

163038523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 163038523 is about 12768.6539227908. The cubic root of 163038523 is about 546.2985872821.

Adding to 163038523 its reverse (325830361), we get a palindrome (488868884).

The spelling of 163038523 in words is "one hundred sixty-three million, thirty-eight thousand, five hundred twenty-three".