1234105343844 has 24 divisors (see below), whose sum is σ = 2889754334880. Its totient is φ = 409914848064.

The previous prime is 1234105343843. The next prime is 1234105343851. The reversal of 1234105343844 is 4483435014321.

It is a junction number, because it is equal to n+sod(n) for n = 1234105343796 and 1234105343805.

It is not an unprimeable number, because it can be changed into a prime (1234105343843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181696449 + ... + 181703240.

It is an arithmetic number, because the mean of its divisors is an integer number (120406430620).

Almost surely, 2^{1234105343844} is an apocalyptic number.

It is an amenable number.

1234105343844 is an abundant number, since it is smaller than the sum of its proper divisors (1655648991036).

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

1234105343844 is a wasteful number, since it uses less digits than its factorization.

1234105343844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363399979 (or 363399977 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 1234105343844 in words is "one trillion, two hundred thirty-four billion, one hundred five million, three hundred forty-three thousand, eight hundred forty-four".