123411255444 has 36 divisors (see below), whose sum is σ = 312630042816. Its totient is φ = 41048230608.

The previous prime is 123411255437. The next prime is 123411255449. The reversal of 123411255444 is 444552114321.

123411255444 is a `hidden beast` number, since 1 + 23 + 41 + 1 + 2 + 554 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123411255399 and 123411255408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411255449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3685374 + ... + 3718709.

It is an arithmetic number, because the mean of its divisors is an integer number (8684167856).

Almost surely, 2^123411255444 is an apocalyptic number.

It is an amenable number.

123411255444 is an abundant number, since it is smaller than the sum of its proper divisors (189218787372).

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

123411255444 is a wasteful number, since it uses less digits than its factorization.

123411255444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404556 (or 7404551 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 123411255444 its reverse (444552114321), we get a palindrome (567963369765).

The spelling of 123411255444 in words is "one hundred twenty-three billion, four hundred eleven million, two hundred fifty-five thousand, four hundred forty-four".