123435255 has 8 divisors (see below), whose sum is σ = 197496432. Its totient is φ = 65832128.

The previous prime is 123435253. The next prime is 123435259. The reversal of 123435255 is 552534321.

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 123435255 - 2¹ = 123435253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123435253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4114494 + ... + 4114523.

It is an arithmetic number, because the mean of its divisors is an integer number (24687054).

Almost surely, 2^123435255 is an apocalyptic number.

123435255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123435255 is a deficient number, since it is larger than the sum of its proper divisors (74061177).

123435255 is an equidigital number, since it uses as much as digits as its factorization.

123435255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229025.

The product of its digits is 18000, while the sum is 30.

The square root of 123435255 is about 11110.1419882916. The cubic root of 123435255 is about 497.9049067636.

Adding to 123435255 its reverse (552534321), we get a palindrome (675969576).

The spelling of 123435255 in words is "one hundred twenty-three million, four hundred thirty-five thousand, two hundred fifty-five".