123834864005555 has 8 divisors (see below), whose sum is σ = 156422986112400. Its totient is φ = 93853791667296.

The previous prime is 123834864005533. The next prime is 123834864005569. The reversal of 123834864005555 is 555500468438321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123834864005555 - 2²⁰ = 123834862956979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123834864005494 and 123834864005503.

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, 651762442040 + ... + 651762442229.

It is an arithmetic number, because the mean of its divisors is an integer number (19552873264050).

Almost surely, 2^{123834864005555} is an apocalyptic number.

123834864005555 is a deficient number, since it is larger than the sum of its proper divisors (32588122106845).

123834864005555 is a wasteful number, since it uses less digits than its factorization.

123834864005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303524884293.

The product of its (nonzero) digits is 69120000, while the sum is 59.

The spelling of 123834864005555 in words is "one hundred twenty-three trillion, eight hundred thirty-four billion, eight hundred sixty-four million, five thousand, five hundred fifty-five".