123730045444 has 24 divisors (see below), whose sum is σ = 216855999360. Its totient is φ = 61771263456.

The previous prime is 123730045441. The next prime is 123730045469. The reversal of 123730045444 is 444540037321.

It is not an unprimeable number, because it can be changed into a prime (123730045441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764517 + ... + 7780435.

It is an arithmetic number, because the mean of its divisors is an integer number (9035666640).

Almost surely, 2^123730045444 is an apocalyptic number.

It is an amenable number.

123730045444 is a deficient number, since it is larger than the sum of its proper divisors (93125953916).

123730045444 is a wasteful number, since it uses less digits than its factorization.

123730045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18747 (or 18745 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 123730045444 in words is "one hundred twenty-three billion, seven hundred thirty million, forty-five thousand, four hundred forty-four".