123536852818776 has 40 divisors (see below), whose sum is σ = 346017573869220. Its totient is φ = 41178950939376.

The previous prime is 123536852818763. The next prime is 123536852818789. The reversal of 123536852818776 is 677818258635321.

It is a happy number.

123536852818776 is a `hidden beast` number, since 1 + 2 + 3 + 536 + 8 + 5 + 2 + 8 + 1 + 87 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (123536852818763) and next prime (123536852818789).

It is a super-2 number, since 2×123536852818776² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 95321645046 + ... + 95321646341.

Almost surely, 2^{123536852818776} is an apocalyptic number.

It is an amenable number.

123536852818776 is an abundant number, since it is smaller than the sum of its proper divisors (222480721050444).

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

123536852818776 is a wasteful number, since it uses less digits than its factorization.

123536852818776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190643291405 (or 190643291392 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 123536852818776 in words is "one hundred twenty-three trillion, five hundred thirty-six billion, eight hundred fifty-two million, eight hundred eighteen thousand, seven hundred seventy-six".