123233444444 has 12 divisors (see below), whose sum is σ = 235263848568. Its totient is φ = 56015202000.

The previous prime is 123233444419. The next prime is 123233444513. The reversal of 123233444444 is 444444332321.

It is a junction number, because it is equal to n+sod(n) for n = 123233444398 and 123233444407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400380007 + ... + 1400380094.

It is an arithmetic number, because the mean of its divisors is an integer number (19605320714).

Almost surely, 2^123233444444 is an apocalyptic number.

It is an amenable number.

123233444444 is a deficient number, since it is larger than the sum of its proper divisors (112030404124).

123233444444 is a wasteful number, since it uses less digits than its factorization.

123233444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800760116 (or 2800760114 counting only the distinct ones).

The product of its digits is 442368, while the sum is 38.

Adding to 123233444444 its reverse (444444332321), we get a palindrome (567677776765).

The spelling of 123233444444 in words is "one hundred twenty-three billion, two hundred thirty-three million, four hundred forty-four thousand, four hundred forty-four".