123023105 has 8 divisors (see below), whose sum is σ = 147768192. Its totient is φ = 98324848.

The previous prime is 123023093. The next prime is 123023107. The reversal of 123023105 is 501320321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123023105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123023107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5639 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (18471024).

Almost surely, 2^123023105 is an apocalyptic number.

It is an amenable number.

123023105 is a deficient number, since it is larger than the sum of its proper divisors (24745087).

123023105 is a wasteful number, since it uses less digits than its factorization.

123023105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 123023105 is about 11091.5781113420. The cubic root of 123023105 is about 497.3501210930.

Adding to 123023105 its reverse (501320321), we get a palindrome (624343426).

The spelling of 123023105 in words is "one hundred twenty-three million, twenty-three thousand, one hundred five".