123412234135 has 8 divisors (see below), whose sum is σ = 148194282816. Its totient is φ = 98663386080.

The previous prime is 123412234133. The next prime is 123412234147. The reversal of 123412234135 is 531432214321.

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

It is not a de Polignac number, because 123412234135 - 2¹ = 123412234133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123412234097 and 123412234106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412234133) 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, 8291976 + ... + 8306845.

It is an arithmetic number, because the mean of its divisors is an integer number (18524285352).

Almost surely, 2^123412234135 is an apocalyptic number.

123412234135 is a deficient number, since it is larger than the sum of its proper divisors (24782048681).

123412234135 is a wasteful number, since it uses less digits than its factorization.

123412234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600313.

The product of its digits is 17280, while the sum is 31.

Adding to 123412234135 its reverse (531432214321), we get a palindrome (654844448456).

The spelling of 123412234135 in words is "one hundred twenty-three billion, four hundred twelve million, two hundred thirty-four thousand, one hundred thirty-five".