123550445550205 has 8 divisors (see below), whose sum is σ = 153043132552704. Its totient is φ = 95651957845200.

The previous prime is 123550445550167. The next prime is 123550445550239. The reversal of 123550445550205 is 502055544055321.

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

It is not a de Polignac number, because 123550445550205 - 2²⁹ = 123549908679293 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 398549824201 + ... + 398549824510.

It is an arithmetic number, because the mean of its divisors is an integer number (19130391569088).

Almost surely, 2^{123550445550205} is an apocalyptic number.

It is an amenable number.

123550445550205 is a deficient number, since it is larger than the sum of its proper divisors (29492687002499).

123550445550205 is an equidigital number, since it uses as much as digits as its factorization.

123550445550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797099648747.

The product of its (nonzero) digits is 3000000, while the sum is 46.

The spelling of 123550445550205 in words is "one hundred twenty-three trillion, five hundred fifty billion, four hundred forty-five million, five hundred fifty thousand, two hundred five".