123243050444 has 12 divisors (see below), whose sum is σ = 216118206864. Its totient is φ = 61494991344.

The previous prime is 123243050341. The next prime is 123243050449. The reversal of 123243050444 is 444050342321.

It is a self number, because there is not a number n which added to its sum of digits gives 123243050444.

It is not an unprimeable number, because it can be changed into a prime (123243050449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31631279 + ... + 31635174.

It is an arithmetic number, because the mean of its divisors is an integer number (18009850572).

Almost surely, 2^123243050444 is an apocalyptic number.

It is an amenable number.

123243050444 is a deficient number, since it is larger than the sum of its proper divisors (92875156420).

123243050444 is a wasteful number, since it uses less digits than its factorization.

123243050444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63266944 (or 63266942 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 123243050444 its reverse (444050342321), we get a palindrome (567293392765).

The spelling of 123243050444 in words is "one hundred twenty-three billion, two hundred forty-three million, fifty thousand, four hundred forty-four".