163311123 has 8 divisors (see below), whose sum is σ = 218178000. Its totient is φ = 108659168.

The previous prime is 163311101. The next prime is 163311133. The reversal of 163311123 is 321113361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163311123 - 2⁸ = 163310867 is a prime.

It is a super-2 number, since 2×163311123² = 53341045791042258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163311123.

It is not an unprimeable number, because it can be changed into a prime (163311133) 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 in 7 ways as a sum of consecutive naturals, for example, 51948 + ... + 55001.

It is an arithmetic number, because the mean of its divisors is an integer number (27272250).

Almost surely, 2^163311123 is an apocalyptic number.

163311123 is a deficient number, since it is larger than the sum of its proper divisors (54866877).

163311123 is a wasteful number, since it uses less digits than its factorization.

163311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107461.

The product of its digits is 324, while the sum is 21.

The square root of 163311123 is about 12779.3240431566. The cubic root of 163311123 is about 546.6028877027.

Adding to 163311123 its reverse (321113361), we get a palindrome (484424484).

The spelling of 163311123 in words is "one hundred sixty-three million, three hundred eleven thousand, one hundred twenty-three".