123434442444 has 24 divisors (see below), whose sum is σ = 295797854128. Its totient is φ = 40032792000.

The previous prime is 123434442409. The next prime is 123434442497. The reversal of 123434442444 is 444244434321.

It is a happy number.

It is a super-2 number, since 2×123434442444² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139002307 + ... + 139003194.

Almost surely, 2^123434442444 is an apocalyptic number.

It is an amenable number.

123434442444 is an abundant number, since it is smaller than the sum of its proper divisors (172363411684).

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

123434442444 is a wasteful number, since it uses less digits than its factorization.

123434442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278005545 (or 278005543 counting only the distinct ones).

The product of its digits is 589824, while the sum is 39.

Adding to 123434442444 its reverse (444244434321), we get a palindrome (567678876765).

The spelling of 123434442444 in words is "one hundred twenty-three billion, four hundred thirty-four million, four hundred forty-two thousand, four hundred forty-four".