123581789352336 has 80 divisors (see below), whose sum is σ = 368621969711744. Its totient is φ = 34945071501312.

The previous prime is 123581789352283. The next prime is 123581789352337. The reversal of 123581789352336 is 633253987185321.

It is not an unprimeable number, because it can be changed into a prime (123581789352337) 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, 1895858875 + ... + 1895924058.

Almost surely, 2^{123581789352336} is an apocalyptic number.

123581789352336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123581789352336 is an abundant number, since it is smaller than the sum of its proper divisors (245040180359408).

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

123581789352336 is a wasteful number, since it uses less digits than its factorization.

123581789352336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791783048 (or 3791783042 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 66.

The spelling of 123581789352336 in words is "one hundred twenty-three trillion, five hundred eighty-one billion, seven hundred eighty-nine million, three hundred fifty-two thousand, three hundred thirty-six".