123435113 has 8 divisors (see below), whose sum is σ = 133477632. Its totient is φ = 113701696.

The previous prime is 123435083. The next prime is 123435131. The reversal of 123435113 is 311534321.

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 123435113 - 2¹⁶ = 123369577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123485113) 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, 76445 + ... + 78042.

It is an arithmetic number, because the mean of its divisors is an integer number (16684704).

Almost surely, 2^123435113 is an apocalyptic number.

It is an amenable number.

123435113 is a deficient number, since it is larger than the sum of its proper divisors (10042519).

123435113 is a wasteful number, since it uses less digits than its factorization.

123435113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154551.

The product of its digits is 1080, while the sum is 23.

The square root of 123435113 is about 11110.1355977324. The cubic root of 123435113 is about 497.9047158335.

Adding to 123435113 its reverse (311534321), we get a palindrome (434969434).

The spelling of 123435113 in words is "one hundred twenty-three million, four hundred thirty-five thousand, one hundred thirteen".