1603232043842 has 48 divisors (see below), whose sum is σ = 2893346881656. Its totient is φ = 661657075200.

The previous prime is 1603232043841. The next prime is 1603232043869. The reversal of 1603232043842 is 2483402323061.

It can be written as a sum of positive squares in 4 ways, for example, as 337699292161 + 1265532751681 = 581119^2 + 1124959^2 .

It is a super-2 number, since 2×1603232043842² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1603232043796 and 1603232043805.

It is not an unprimeable number, because it can be changed into a prime (1603232043841) 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, 3985223 + ... + 4369034.

Almost surely, 2^{1603232043842} is an apocalyptic number.

1603232043842 is a deficient number, since it is larger than the sum of its proper divisors (1290114837814).

1603232043842 is a wasteful number, since it uses less digits than its factorization.

1603232043842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8354355 (or 8354344 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 1603232043842 in words is "one trillion, six hundred three billion, two hundred thirty-two million, forty-three thousand, eight hundred forty-two".