123670344805 has 64 divisors (see below), whose sum is σ = 181721014272. Its totient is φ = 78867256320.

The previous prime is 123670344773. The next prime is 123670344817. The reversal of 123670344805 is 508443076321.

It is not a de Polignac number, because 123670344805 - 2⁵ = 123670344773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27437362 + ... + 27441868.

It is an arithmetic number, because the mean of its divisors is an integer number (2839390848).

Almost surely, 2^123670344805 is an apocalyptic number.

It is an amenable number.

123670344805 is a deficient number, since it is larger than the sum of its proper divisors (58050669467).

123670344805 is a wasteful number, since it uses less digits than its factorization.

123670344805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 123670344805 in words is "one hundred twenty-three billion, six hundred seventy million, three hundred forty-four thousand, eight hundred five".