123033140788 has 12 divisors (see below), whose sum is σ = 215553507652. Its totient is φ = 61446424320.

The previous prime is 123033140779. The next prime is 123033140831. The reversal of 123033140788 is 887041330321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44306882064 + 78726258724 = 210492^2 + 280582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123033140788.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 17532573 + ... + 17539588.

Almost surely, 2^123033140788 is an apocalyptic number.

It is an amenable number.

123033140788 is a deficient number, since it is larger than the sum of its proper divisors (92520366864).

123033140788 is a wasteful number, since it uses less digits than its factorization.

123033140788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35073042 (or 35073040 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 123033140788 in words is "one hundred twenty-three billion, thirty-three million, one hundred forty thousand, seven hundred eighty-eight".