123001002444 has 24 divisors (see below), whose sum is σ = 287047439280. Its totient is φ = 40993891264.

The previous prime is 123001002431. The next prime is 123001002493. The reversal of 123001002444 is 444200100321.

123001002444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123001002444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725499 + ... + 878834.

It is an arithmetic number, because the mean of its divisors is an integer number (11960309970).

Almost surely, 2^123001002444 is an apocalyptic number.

It is an amenable number.

123001002444 is an abundant number, since it is smaller than the sum of its proper divisors (164046436836).

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

123001002444 is a wasteful number, since it uses less digits than its factorization.

123001002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610729 (or 1610727 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 123001002444 its reverse (444200100321), we get a palindrome (567201102765).

The spelling of 123001002444 in words is "one hundred twenty-three billion, one million, two thousand, four hundred forty-four".