123135255214 has 32 divisors (see below), whose sum is σ = 197383272480. Its totient is φ = 57441871872.

The previous prime is 123135255211. The next prime is 123135255223. The reversal of 123135255214 is 412552531321.

It is a self number, because there is not a number n which added to its sum of digits gives 123135255214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123135255211) 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, 1833924 + ... + 1899880.

It is an arithmetic number, because the mean of its divisors is an integer number (6168227265).

Almost surely, 2^123135255214 is an apocalyptic number.

123135255214 is a deficient number, since it is larger than the sum of its proper divisors (74248017266).

123135255214 is a wasteful number, since it uses less digits than its factorization.

123135255214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66724.

The product of its digits is 36000, while the sum is 34.

Adding to 123135255214 its reverse (412552531321), we get a palindrome (535687786535).

The spelling of 123135255214 in words is "one hundred twenty-three billion, one hundred thirty-five million, two hundred fifty-five thousand, two hundred fourteen".