123342100044 has 24 divisors (see below), whose sum is σ = 302945509440. Its totient is φ = 38950136784.

The previous prime is 123342100031. The next prime is 123342100061. The reversal of 123342100044 is 440001243321.

It is a junction number, because it is equal to n+sod(n) for n = 123342099987 and 123342100023.

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, 270486834 + ... + 270487289.

It is an arithmetic number, because the mean of its divisors is an integer number (12622729560).

Almost surely, 2^123342100044 is an apocalyptic number.

It is an amenable number.

123342100044 is an abundant number, since it is smaller than the sum of its proper divisors (179603409396).

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

123342100044 is a wasteful number, since it uses less digits than its factorization.

123342100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540974149 (or 540974147 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123342100044 its reverse (440001243321), we get a palindrome (563343343365).

The spelling of 123342100044 in words is "one hundred twenty-three billion, three hundred forty-two million, one hundred thousand, forty-four".