123775577305 has 16 divisors (see below), whose sum is σ = 148690015488. Its totient is φ = 98914320000.

The previous prime is 123775577293. The next prime is 123775577369. The reversal of 123775577305 is 503775577321.

It is not a de Polignac number, because 123775577305 - 2¹¹ = 123775575257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27868885 + ... + 27873325.

It is an arithmetic number, because the mean of its divisors is an integer number (9293125968).

Almost surely, 2^123775577305 is an apocalyptic number.

It is an amenable number.

123775577305 is a deficient number, since it is larger than the sum of its proper divisors (24914438183).

123775577305 is a wasteful number, since it uses less digits than its factorization.

123775577305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 5402250, while the sum is 52.

The spelling of 123775577305 in words is "one hundred twenty-three billion, seven hundred seventy-five million, five hundred seventy-seven thousand, three hundred five".