123684182008552 has 32 divisors (see below), whose sum is σ = 252995022681120. Its totient is φ = 56219049311040.

The previous prime is 123684182008511. The next prime is 123684182008577. The reversal of 123684182008552 is 255800281486321.

It is a super-2 number, since 2×123684182008552² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123684182008493 and 123684182008502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8092998 + ... + 17687989.

It is an arithmetic number, because the mean of its divisors is an integer number (7906094458785).

Almost surely, 2^{123684182008552} is an apocalyptic number.

It is an amenable number.

123684182008552 is an abundant number, since it is smaller than the sum of its proper divisors (129310840672568).

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

123684182008552 is a wasteful number, since it uses less digits than its factorization.

123684182008552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25835521 (or 25835517 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 123684182008552 in words is "one hundred twenty-three trillion, six hundred eighty-four billion, one hundred eighty-two million, eight thousand, five hundred fifty-two".