123115464715 has 16 divisors (see below), whose sum is σ = 149307133248. Its totient is φ = 97447274496.

The previous prime is 123115464713. The next prime is 123115464721. The reversal of 123115464715 is 517464511321.

It is a cyclic number.

It is not a de Polignac number, because 123115464715 - 2¹ = 123115464713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123115464713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628034 + ... + 1701976.

It is an arithmetic number, because the mean of its divisors is an integer number (9331695828).

Almost surely, 2^123115464715 is an apocalyptic number.

123115464715 is a deficient number, since it is larger than the sum of its proper divisors (26191668533).

123115464715 is an equidigital number, since it uses as much as digits as its factorization.

123115464715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77478.

The product of its digits is 100800, while the sum is 40.

The spelling of 123115464715 in words is "one hundred twenty-three billion, one hundred fifteen million, four hundred sixty-four thousand, seven hundred fifteen".