123441155530 has 64 divisors (see below), whose sum is σ = 286573697280. Its totient is φ = 37148428800.

The previous prime is 123441155477. The next prime is 123441155573. The reversal of 123441155530 is 35551144321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2741691 + ... + 2786350.

It is an arithmetic number, because the mean of its divisors is an integer number (4477714020).

Almost surely, 2^123441155530 is an apocalyptic number.

123441155530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123441155530 is an abundant number, since it is smaller than the sum of its proper divisors (163132541750).

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

123441155530 is a wasteful number, since it uses less digits than its factorization.

123441155530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528095.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 123441155530 its reverse (35551144321), we get a palindrome (158992299851).

The spelling of 123441155530 in words is "one hundred twenty-three billion, four hundred forty-one million, one hundred fifty-five thousand, five hundred thirty".