123135354600402 has 8 divisors (see below), whose sum is σ = 246270709200816. Its totient is φ = 41045118200132.

The previous prime is 123135354600329. The next prime is 123135354600421. The reversal of 123135354600402 is 204006453531321.

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

123135354600402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10261279550028 + ... + 10261279550039.

It is an arithmetic number, because the mean of its divisors is an integer number (30783838650102).

Almost surely, 2^{123135354600402} is an apocalyptic number.

123135354600402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123135354600402 is a wasteful number, since it uses less digits than its factorization.

123135354600402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20522559100072.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 123135354600402 in words is "one hundred twenty-three trillion, one hundred thirty-five billion, three hundred fifty-four million, six hundred thousand, four hundred two".