123101123 has 8 divisors (see below), whose sum is σ = 124877376. Its totient is φ = 121336000.

The previous prime is 123101119. The next prime is 123101161. The reversal of 123101123 is 321101321.

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 123101123 - 2² = 123101119 is a prime.

It is a super-2 number, since 2×123101123² = 30307772967722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123101098 and 123101107.

It is not an unprimeable number, because it can be changed into a prime (123101423) 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, 20918 + ... + 26148.

It is an arithmetic number, because the mean of its divisors is an integer number (15609672).

Almost surely, 2^123101123 is an apocalyptic number.

123101123 is a deficient number, since it is larger than the sum of its proper divisors (1776253).

123101123 is a wasteful number, since it uses less digits than its factorization.

123101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 123101123 is about 11095.0945466904. The cubic root of 123101123 is about 497.4552343078.

Adding to 123101123 its reverse (321101321), we get a palindrome (444202444).

The spelling of 123101123 in words is "one hundred twenty-three million, one hundred one thousand, one hundred twenty-three".