123412324442 has 32 divisors (see below), whose sum is σ = 202386449664. Its totient is φ = 55974692800.

The previous prime is 123412324417. The next prime is 123412324447. The reversal of 123412324442 is 244423214321.

It is a happy number.

It is a super-2 number, since 2×123412324442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123412324399 and 123412324408.

It is not an unprimeable number, because it can be changed into a prime (123412324447) 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, 40822943 + ... + 40825965.

It is an arithmetic number, because the mean of its divisors is an integer number (6324576552).

Almost surely, 2^123412324442 is an apocalyptic number.

123412324442 is a deficient number, since it is larger than the sum of its proper divisors (78974125222).

123412324442 is a wasteful number, since it uses less digits than its factorization.

123412324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454.

The product of its digits is 36864, while the sum is 32.

Adding to 123412324442 its reverse (244423214321), we get a palindrome (367835538763).

The spelling of 123412324442 in words is "one hundred twenty-three billion, four hundred twelve million, three hundred twenty-four thousand, four hundred forty-two".