123575553603 has 12 divisors (see below), whose sum is σ = 178544065128. Its totient is φ = 82362451680.

The previous prime is 123575553601. The next prime is 123575553643. The reversal of 123575553603 is 306355575321.

123575553603 is a `hidden beast` number, since 1 + 2 + 35 + 7 + 5 + 5 + 5 + 3 + 603 = 666.

It is not a de Polignac number, because 123575553603 - 2¹ = 123575553601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123575553601) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1734025 + ... + 1803882.

It is an arithmetic number, because the mean of its divisors is an integer number (14878672094).

Almost surely, 2^123575553603 is an apocalyptic number.

123575553603 is a deficient number, since it is larger than the sum of its proper divisors (54968511525).

123575553603 is a wasteful number, since it uses less digits than its factorization.

123575553603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541794 (or 3541791 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 45.

The spelling of 123575553603 in words is "one hundred twenty-three billion, five hundred seventy-five million, five hundred fifty-three thousand, six hundred three".