123344444444 has 48 divisors (see below), whose sum is σ = 239865234336. Its totient is φ = 55134182400.

The previous prime is 123344444437. The next prime is 123344444449. The reversal of 123344444444 is 444444443321.

It is a Harshad number since it is a multiple of its sum of digits (41).

123344444444 is a modest number, since divided by 444444 gives 123344 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344444449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80939 + ... + 503229.

It is an arithmetic number, because the mean of its divisors is an integer number (4997192382).

Almost surely, 2^123344444444 is an apocalyptic number.

It is an amenable number.

123344444444 is a deficient number, since it is larger than the sum of its proper divisors (116520789892).

123344444444 is a wasteful number, since it uses less digits than its factorization.

123344444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422486 (or 422484 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 41.

Adding to 123344444444 its reverse (444444443321), we get a palindrome (567788887765).

The spelling of 123344444444 in words is "one hundred twenty-three billion, three hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".