123702208378 has 32 divisors (see below), whose sum is σ = 221315454720. Its totient is φ = 50702319360.

The previous prime is 123702208361. The next prime is 123702208387. The reversal of 123702208378 is 873802207321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2327218 + ... + 2379778.

It is an arithmetic number, because the mean of its divisors is an integer number (6916107960).

Almost surely, 2^123702208378 is an apocalyptic number.

123702208378 is a deficient number, since it is larger than the sum of its proper divisors (97613246342).

123702208378 is a wasteful number, since it uses less digits than its factorization.

123702208378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59902.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 123702208378 in words is "one hundred twenty-three billion, seven hundred two million, two hundred eight thousand, three hundred seventy-eight".