123105433 has 8 divisors (see below), whose sum is σ = 138629376. Its totient is φ = 108303600.

The previous prime is 123105397. The next prime is 123105443. The reversal of 123105433 is 334501321.

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 123105433 - 2⁹ = 123104921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123105443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180166 + ... + 180847.

It is an arithmetic number, because the mean of its divisors is an integer number (17328672).

Almost surely, 2^123105433 is an apocalyptic number.

It is an amenable number.

123105433 is a deficient number, since it is larger than the sum of its proper divisors (15523943).

123105433 is a wasteful number, since it uses less digits than its factorization.

123105433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361055.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123105433 is about 11095.2887749711. The cubic root of 123105433 is about 497.4610398520.

Adding to 123105433 its reverse (334501321), we get a palindrome (457606754).

The spelling of 123105433 in words is "one hundred twenty-three million, one hundred five thousand, four hundred thirty-three".