163122523 has 4 divisors (see below), whose sum is σ = 163149280. Its totient is φ = 163095768.

The previous prime is 163122503. The next prime is 163122541. The reversal of 163122523 is 325221361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325221361 = 479 ⋅678959.

It is a cyclic number.

It is not a de Polignac number, because 163122523 - 2²⁵ = 129568091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163122503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718 + ... + 18076.

It is an arithmetic number, because the mean of its divisors is an integer number (40787320).

Almost surely, 2^163122523 is an apocalyptic number.

163122523 is a deficient number, since it is larger than the sum of its proper divisors (26757).

163122523 is an equidigital number, since it uses as much as digits as its factorization.

163122523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26756.

The product of its digits is 2160, while the sum is 25.

The square root of 163122523 is about 12771.9428044444. The cubic root of 163122523 is about 546.3923917029.

Adding to 163122523 its reverse (325221361), we get a palindrome (488343884).

The spelling of 163122523 in words is "one hundred sixty-three million, one hundred twenty-two thousand, five hundred twenty-three".