123486608418 has 32 divisors (see below), whose sum is σ = 253195407360. Its totient is φ = 40126746240.

The previous prime is 123486608389. The next prime is 123486608437. The reversal of 123486608418 is 814806684321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118396 + ... + 510872.

It is an arithmetic number, because the mean of its divisors is an integer number (7912356480).

Almost surely, 2^123486608418 is an apocalyptic number.

123486608418 is an abundant number, since it is smaller than the sum of its proper divisors (129708798942).

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

123486608418 is a wasteful number, since it uses less digits than its factorization.

123486608418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393802.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 123486608418 in words is "one hundred twenty-three billion, four hundred eighty-six million, six hundred eight thousand, four hundred eighteen".