123673778622 has 24 divisors (see below), whose sum is σ = 268036180776. Its totient is φ = 41212850256.

The previous prime is 123673778611. The next prime is 123673778629. The reversal of 123673778622 is 226877376321.

123673778622 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 7 + 3 + 7 + 7 + 8 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123673778629) 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 11 ways as a sum of consecutive naturals, for example, 913488 + ... + 1040099.

It is an arithmetic number, because the mean of its divisors is an integer number (11168174199).

Almost surely, 2^123673778622 is an apocalyptic number.

123673778622 is an abundant number, since it is smaller than the sum of its proper divisors (144362402154).

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

123673778622 is a wasteful number, since it uses less digits than its factorization.

123673778622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957112 (or 1957109 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 123673778622 in words is "one hundred twenty-three billion, six hundred seventy-three million, seven hundred seventy-eight thousand, six hundred twenty-two".