1223842638114 has 12 divisors (see below), whose sum is σ = 2651659049286. Its totient is φ = 407947546032.

The previous prime is 1223842638097. The next prime is 1223842638121. The reversal of 1223842638114 is 4118362483221.

1223842638114 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 8 + 4 + 2 + 638 + 1 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1206335378889 + 17507259225 = 1098333^2 + 132315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1223842638114.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33995628819 + ... + 33995628854.

Almost surely, 2^{1223842638114} is an apocalyptic number.

1223842638114 is an abundant number, since it is smaller than the sum of its proper divisors (1427816411172).

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

1223842638114 is a wasteful number, since it uses less digits than its factorization.

1223842638114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67991257681 (or 67991257678 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 1223842638114 in words is "one trillion, two hundred twenty-three billion, eight hundred forty-two million, six hundred thirty-eight thousand, one hundred fourteen".