123196223986 has 16 divisors (see below), whose sum is σ = 201600067680. Its totient is φ = 55996548480.

The previous prime is 123196223981. The next prime is 123196223989. The reversal of 123196223986 is 689322691321.

It is not an unprimeable number, because it can be changed into a prime (123196223981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877570 + ... + 1008226.

It is an arithmetic number, because the mean of its divisors is an integer number (12600004230).

Almost surely, 2^123196223986 is an apocalyptic number.

123196223986 is a deficient number, since it is larger than the sum of its proper divisors (78403843694).

123196223986 is a wasteful number, since it uses less digits than its factorization.

123196223986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173529.

The product of its digits is 1679616, while the sum is 52.

The spelling of 123196223986 in words is "one hundred twenty-three billion, one hundred ninety-six million, two hundred twenty-three thousand, nine hundred eighty-six".