123547144122 has 48 divisors (see below), whose sum is σ = 283531159080. Its totient is φ = 38746285056.

The previous prime is 123547144093. The next prime is 123547144129. The reversal of 123547144122 is 221441745321.

123547144122 is a `hidden beast` number, since 1 + 23 + 5 + 471 + 44 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 123531863841 + 15280281 = 351471^2 + 3909^2 .

It is not an unprimeable number, because it can be changed into a prime (123547144129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820758 + ... + 959550.

Almost surely, 2^123547144122 is an apocalyptic number.

123547144122 is an abundant number, since it is smaller than the sum of its proper divisors (159984014958).

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

123547144122 is a wasteful number, since it uses less digits than its factorization.

123547144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141727 (or 141724 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

Adding to 123547144122 its reverse (221441745321), we get a palindrome (344988889443).

The spelling of 123547144122 in words is "one hundred twenty-three billion, five hundred forty-seven million, one hundred forty-four thousand, one hundred twenty-two".