123271384036 has 12 divisors (see below), whose sum is σ = 221555325628. Its totient is φ = 59969862432.

The previous prime is 123271384031. The next prime is 123271384037. The reversal of 123271384036 is 630483172321.

It can be written as a sum of positive squares in 2 ways, for example, as 98639964900 + 24631419136 = 314070^2 + 156944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123271384036.

It is not an unprimeable number, because it can be changed into a prime (123271384031) 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, 416457231 + ... + 416457526.

Almost surely, 2^123271384036 is an apocalyptic number.

It is an amenable number.

123271384036 is a deficient number, since it is larger than the sum of its proper divisors (98283941592).

123271384036 is a wasteful number, since it uses less digits than its factorization.

123271384036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832914798 (or 832914796 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 123271384036 in words is "one hundred twenty-three billion, two hundred seventy-one million, three hundred eighty-four thousand, thirty-six".