123405324522305 has 64 divisors (see below), whose sum is σ = 170837389578240. Its totient is φ = 83826816724224.

The previous prime is 123405324522287. The next prime is 123405324522343. The reversal of 123405324522305 is 503225423504321.

It is not a de Polignac number, because 123405324522305 - 2²² = 123405320328001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3610120244 + ... + 3610154426.

It is an arithmetic number, because the mean of its divisors is an integer number (2669334212160).

Almost surely, 2^{123405324522305} is an apocalyptic number.

It is an amenable number.

123405324522305 is a deficient number, since it is larger than the sum of its proper divisors (47432065055935).

123405324522305 is a wasteful number, since it uses less digits than its factorization.

123405324522305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36558.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 123405324522305 in words is "one hundred twenty-three trillion, four hundred five billion, three hundred twenty-four million, five hundred twenty-two thousand, three hundred five".