123135514602 has 32 divisors (see below), whose sum is σ = 264748262400. Its totient is φ = 38057559408.

The previous prime is 123135514591. The next prime is 123135514603. The reversal of 123135514602 is 206415531321.

It is not an unprimeable number, because it can be changed into a prime (123135514603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11485452 + ... + 11496167.

It is an arithmetic number, because the mean of its divisors is an integer number (8273383200).

Almost surely, 2^123135514602 is an apocalyptic number.

123135514602 is an abundant number, since it is smaller than the sum of its proper divisors (141612747798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123135514602 is a wasteful number, since it uses less digits than its factorization.

123135514602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981690.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 123135514602 in words is "one hundred twenty-three billion, one hundred thirty-five million, five hundred fourteen thousand, six hundred two".