123667316864 has 64 divisors (see below), whose sum is σ = 303222776640. Its totient is φ = 48923329536.

The previous prime is 123667316821. The next prime is 123667316879. The reversal of 123667316864 is 468613766321.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296874 + ... + 5320169.

It is an arithmetic number, because the mean of its divisors is an integer number (4737855885).

Almost surely, 2^123667316864 is an apocalyptic number.

123667316864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123667316864 is an abundant number, since it is smaller than the sum of its proper divisors (179555459776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123667316864 is a wasteful number, since it uses less digits than its factorization.

123667316864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617077 (or 10617065 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The spelling of 123667316864 in words is "one hundred twenty-three billion, six hundred sixty-seven million, three hundred sixteen thousand, eight hundred sixty-four".