123324423444 has 36 divisors (see below), whose sum is σ = 311792396916. Its totient is φ = 41100801408.

The previous prime is 123324423437. The next prime is 123324423449. The reversal of 123324423444 is 444324423321.

123324423444 is a `hidden beast` number, since 12 + 332 + 44 + 234 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108002935044 + 15321488400 = 328638^2 + 123780^2 .

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

It is a super-2 number, since 2×123324423444² (a number of 23 digits) contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123324423399 and 123324423408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123324423449) 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, 99489 + ... + 506504.

Almost surely, 2^123324423444 is an apocalyptic number.

It is an amenable number.

123324423444 is an abundant number, since it is smaller than the sum of its proper divisors (188467973472).

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

123324423444 is a wasteful number, since it uses less digits than its factorization.

123324423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611656 (or 611651 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 123324423444 its reverse (444324423321), we get a palindrome (567648846765).

The spelling of 123324423444 in words is "one hundred twenty-three billion, three hundred twenty-four million, four hundred twenty-three thousand, four hundred forty-four".