4003203123320 has 32 divisors (see below), whose sum is σ = 9013256326800. Its totient is φ = 1600205818368.

The previous prime is 4003203123233. The next prime is 4003203123379. The reversal of 4003203123320 is 233213023004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33546914 + ... + 33666033.

Almost surely, 2^{4003203123320} is an apocalyptic number.

4003203123320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4003203123320 is an abundant number, since it is smaller than the sum of its proper divisors (5010053203480).

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

4003203123320 is a wasteful number, since it uses less digits than its factorization.

4003203123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67214447 (or 67214443 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 4003203123320 its reverse (233213023004), we get a palindrome (4236416146324).

The spelling of 4003203123320 in words is "four trillion, three billion, two hundred three million, one hundred twenty-three thousand, three hundred twenty".