203124005442 has 48 divisors (see below), whose sum is σ = 445877883360. Its totient is φ = 66821141376.

The previous prime is 203124005429. The next prime is 203124005443. The reversal of 203124005442 is 244500421302.

203124005442 is a `hidden beast` number, since 203 + 1 + 2 + 400 + 54 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (203124005443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343034 + ... + 1486602.

It is an arithmetic number, because the mean of its divisors is an integer number (9289122570).

Almost surely, 2^203124005442 is an apocalyptic number.

203124005442 is an abundant number, since it is smaller than the sum of its proper divisors (242753877918).

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

203124005442 is a wasteful number, since it uses less digits than its factorization.

203124005442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144607 (or 144604 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 203124005442 its reverse (244500421302), we get a palindrome (447624426744).

The spelling of 203124005442 in words is "two hundred three billion, one hundred twenty-four million, five thousand, four hundred forty-two".