123445666794 has 32 divisors (see below), whose sum is σ = 247823202816. Its totient is φ = 40993536240.

The previous prime is 123445666789. The next prime is 123445666819. The reversal of 123445666794 is 497666544321.

123445666794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679229 + ... + 1751199.

It is an arithmetic number, because the mean of its divisors is an integer number (7744475088).

Almost surely, 2^123445666794 is an apocalyptic number.

123445666794 is an abundant number, since it is smaller than the sum of its proper divisors (124377536022).

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

123445666794 is a wasteful number, since it uses less digits than its factorization.

123445666794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73050.

The product of its digits is 26127360, while the sum is 57.

The spelling of 123445666794 in words is "one hundred twenty-three billion, four hundred forty-five million, six hundred sixty-six thousand, seven hundred ninety-four".