123135255332 has 12 divisors (see below), whose sum is σ = 215880643440. Its totient is φ = 61455071496.

The previous prime is 123135255293. The next prime is 123135255337. The reversal of 123135255332 is 233552531321.

It is a super-2 number, since 2×123135255332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123135255292 and 123135255301.

It is not an unprimeable number, because it can be changed into a prime (123135255337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28136582 + ... + 28140957.

It is an arithmetic number, because the mean of its divisors is an integer number (17990053620).

Almost surely, 2^123135255332 is an apocalyptic number.

It is an amenable number.

123135255332 is a deficient number, since it is larger than the sum of its proper divisors (92745388108).

123135255332 is a wasteful number, since it uses less digits than its factorization.

123135255332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56278090 (or 56278088 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

Adding to 123135255332 its reverse (233552531321), we get a palindrome (356687786653).

The spelling of 123135255332 in words is "one hundred twenty-three billion, one hundred thirty-five million, two hundred fifty-five thousand, three hundred thirty-two".