123005235 has 16 divisors (see below), whose sum is σ = 196955136. Its totient is φ = 65553888.

The previous prime is 123005191. The next prime is 123005237. The reversal of 123005235 is 532500321.

It is not a de Polignac number, because 123005235 - 2⁹ = 123004723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123005237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27742 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (12309696).

Almost surely, 2^123005235 is an apocalyptic number.

123005235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123005235 is a deficient number, since it is larger than the sum of its proper divisors (73949901).

123005235 is a wasteful number, since it uses less digits than its factorization.

123005235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 123005235 is about 11090.7725159251. The cubic root of 123005235 is about 497.3260386871.

Adding to 123005235 its reverse (532500321), we get a palindrome (655505556).

The spelling of 123005235 in words is "one hundred twenty-three million, five thousand, two hundred thirty-five".