123106160778 has 16 divisors (see below), whose sum is σ = 246498958560. Its totient is φ = 40987614096.

The previous prime is 123106160759. The next prime is 123106160791. The reversal of 123106160778 is 877061601321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11937625 + ... + 11947932.

It is an arithmetic number, because the mean of its divisors is an integer number (15406184910).

Almost surely, 2^123106160778 is an apocalyptic number.

123106160778 is an abundant number, since it is smaller than the sum of its proper divisors (123392797782).

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

123106160778 is a wasteful number, since it uses less digits than its factorization.

123106160778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23886421.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 123106160778 in words is "one hundred twenty-three billion, one hundred six million, one hundred sixty thousand, seven hundred seventy-eight".